Hai TN, Van QN, Thi Tuyet MN. Digital Transformation: Opportunities and Challenges for Leaders in the Emerging Countries in Response to Covid-19 Pandemic. Emerg Sci J [Internet]. 2021 May 29 [cited 2025 Jun. 11];5:21-36. Available from: https://www.ijournalse.org/index.php/ESJ/article/view/499