OAMEN, Theophilus Ehidiamen. “The Effects of COVID-19 Pandemic on the Psyche and Productivity of Pharmaceutical Sales Workforce in an African Country; A Descriptive Case Study: The Effects of COVID-19 Pandemic on a Sales Workforce”. Advances in Social Sciences Research Journal 8, no. 5 (June 5, 2021): 586–604. Accessed December 2, 2021. https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/10161.