El Alji, Yasmine. “The Impact of New Technologies ‘E-Learning’ on the Productivity of Companies in a Period of Crisis: Interviewing BPOs During Covid-19 ”. Journal of Advance Research in Business, Management and Accounting (ISSN: 2456-3544) 7, no. 11 (November 6, 2021): 19–28. Accessed November 22, 2024. https://nnpub.org/index.php/BMA/article/view/1084.