| [1]   | Brand, M. & Huizingh, E. (2008). Into the drivers of innovation adoption. European Journal of Innovation Management, 11(1, ), 5-24. | 
| [2]   | Bryman, A. & Bell, E. (2007). Business research methods. Oxford: Oxford University Press. | 
| [3]   | Chitura, T., Shepherd, M. & Dube, T. (2008). Barriers to electronic commerce adoption in small and medium enterprises: A critical literature review. Journal of Internet Banking and Commerce, 13(2), 1-13. | 
| [4]   | Chong, S. (2008). Success in electronic commerce Implementation, A crosscountry study of small and medium-sized enterprises, Journal of Enterprise Information Management, 21(5), 468-492. | 
| [5]   | Creswell, J. (1998). Qualitative inquiry and research design: Choosing among five traditions. Thousand Oaks, CA.: SAGE Publications. | 
| [6]   | Creswell, J. (2002). Educational research: Planning, conducting, and evaluating quantitative and qualitative research. Upper Saddle River, NJ: Merrill Prentice Hall. | 
| [7]   | Digital Commerce (2020). Coronavirus dramatically changed consumer behavior in March and April. Retrieved 20 Feb 2021, from: https://4m.cn/lmu5A. | 
| [8]   | Duan, X. (2012). Evaluating the critical determinants for adopting e-market in Australian small-and medium sized enterprises. Management Research Review, 35(3-4), 289-308. | 
| [9]   | Eriksson, T., Matheson, K., Pitt, L., Plangger, K. Robson, K. (2019). E-Commerce in South Korea: A Canadian perspective. Asia Pacific Foundation of Canada. Retrieved 20 Feb 2021, from: https://www.asiapacific.ca/sites/default/files/filefield/south_korea_e-commerce_report.pdf. | 
| [10]   | Evans, P. & Wurster, T.S. (1999). Getting real about virtual commerce. Harvard Business Review, November-December 1999, pp. 84-94. | 
| [11]   | Flick, U. (2014). An introduction to qualitative research. Los Angeles: SAGE Publications. | 
| [12]   | Garg, A. & Choeu, T. (2015). The adoption of electronic commerce by small and medium enterprises in Pretoria East. Electronic Journal of Information Systems in Developing Countries, 68(1), 1-23. DOI: 10.1002/j.1681-4835.2015.tb00493.x. | 
| [13]   | Gavin, R., Harrison, L., Plotkin, C., Spillecke, D. & Stanley, J. (2020). The B2B digital inflection point: How sales have changed during COVID-19. McKinsey & Company. Retrieved 20 Feb 2021, from: https://4m.cn/atW5B. | 
| [14]   | Gill, J. &Johnson, P. (2010). Research methods for managers. Los Angeles, CA: Sage. | 
| [15]   | Global Data (2020). COVID-19 accelerates e-commerce growth in South Korea, says GlobalData. Retrieved 20 Feb 2021, from: https://www.globaldata.com/covid-19-accelerates-e-commerce-growth-south-korea-says-globaldata/. | 
| [16]   | Ivanov, D. (2012). The impact of e-commerce on small-size companies in Sweden. [Unpublished Master's Thesis] Karlstad Business School. | 
| [17]   | Kim, M. (2016). Korea's E-commerce exports to china: direction for corporate strategy and government policy, KDI Focus, No. 64, Korea Development Institute (KDI), Sejong. Retrieved 20 Feb 2021, from: https://www.econstor.eu/bitstream/10419/200864/1/kdi-focus-64.pdf. | 
| [18]   | Lee, J. (2020). The South Koreans left behind in a contact-free society. BBC Work Life. Retrieved 20 Feb 2021, from: https://www.bbc.com/worklife/article/20200803-south-korea-contact-free-untact-society-after-coronavirus. | 
| [19]   | Mariotto, F., Zanni, P., Salati, G. (2012). What is the use of a single-case study in management research?. Revista de Administração de Empresas, 4(4), 358-369. | 
| [20]   | Mason, J. (2002). Qualitative researching, 2nd edn. Thousand Oaks, CA: Sage Publications. | 
| [21]   | Miles, M. &Huberman, M., 1994. Qualitative data analysis: an expanded sourcebook. Newbury Park, Sage. | 
| [22]   | Mu-Hyun, C. (2020). Korea sees steep rise in online shopping during COVID-19 pandemic. ZDNet. Retrieved 20 Feb 2021, from: https://www.zdnet.com/article/korea-sees-steep-rise-in-online-shopping-during-covid-19-pandemic/. | 
| [23]   | OECD. (2000). Enhancing the competitiveness of smes in the global economy: strategies and policies. Conference for Ministers responsible for SMEs and Industry Ministers, Bologna, Italy, 14-15 June 2000. | 
| [24]   | Onwuegbuzie, A., Leech, N., & Collins, K. (2012). Qualitative analysis techniques for the review of the literature. The Qualitative Report, 17(56), 1-28. | 
| [25]   | Rainer, K. & Cegielski, C. (2011). Introduction to information systems: Enabling and transforming business. New York: John Wiley & Sons Inc. | 
| [26]   | Rowe, F., Truex, D. & MHuynh, M. et al. (2012). An empirical study of determinants of e-commerce adoption in SMEs in Vietnam: An economy in transition. Journal of Global Information Management, 20(3), 23-54. | 
| [27]   | Saunders, M. & Lewis, P. (2012). Doing research in business and management. Harlow, Essex: Financial Times Prentice Hall. | 
| [28]   | Saunders, M., Lewis, P. &Thornhill, A. (2009). Research methods for business students. Harlow: Pearson Education. | 
| [29]   | Saunders, M., Lewis, P., & Thornhill, A. (2015). Research methods for business students. New York: Pearson Education. | 
| [30]   | Schneider, G. (2011). Electronic commerce. New York: World Scientific Publishing Co. | 
| [31]   | Sila, I. (2013). Factors affecting the adoption of B2B e-commerce technologies. Electronic Commerce Research, 13(2), 199-236. | 
| [32]   | Sila, I. (2015). The state of empirical research on the adoption and diffusion of business-to-business e-commerce, International Journal of Electronic Business, 12(3), 258-301. | 
| [33]   | Stockdale, R. & Standing, C. (2004). Benefits and barriers of electronic marketplace participation: an SME perspective. The Journal of Enterprise Information Management, 17(4), 301–311. | 
| [34]   | Turban, E., Lee, J., King, D., McKay, J., Marshall, P. & Viehland, D. (2008). Electronic commerce – a managerial perspective. New York: Prentice Hall. | 
| [35]   | UNCTAD (2020). COVID-19 has changed online shopping forever, survey shows. Retrieved 20 Feb 2021, from: https://unctad.org/news/covid-19-has-changed-online-shopping-forever-survey-shows. | 
| [36]   | Villa, E., Ruiz, L., Valencia, A. & Picon, E. (2018). Electronic commerce: Factors involved in its adoption from a bibliometric analysis. J. Theor. Appl. Electron. Commer. Res., 13(1), 1. http://dx.doi.org/10.4067/S0718-18762018000100104. | 
| [37]   | Walker, M., Saffu J. & Mazurek, K. (2016). An empirical study of factors influencing e-commerce adoption / non-adoption in Slovakian SMEs. Journal of Internet Commerce, 15(3), 189-213. | 
| [38]   | Whitelaw, S., Mamas, M., Topol, E. & Spall, H. (2020). Applications of digital technology in COVID-19 pandemic planning and response. The Lancet: Digital Health, 2(8), 435-440. | 
| [39]   | World Trade Organization (2020). E-Commerce, trade and the Covid-19 pandemic. Retrieved 20 Feb 2021, from: https://www.wto.org/english/tratop_e/covid19_e/e-commerce_report_e.pdf. | 
| [40]   | Xu, J. & Quaddus, M. (2009). E-Business in the 21st Century: Realities, Challenges and Outlook. SGP: World Scientific Publishing Co. | 
| [41]   | Yin, R. (1984). Case study research: design and methods. London: Sage Publications. |