Bhuiya, N. M. Mahmudul Alam. “Purchasing Behavior and Customers’ Response to the Intrinsic and Extrinsic Factors of the Pharmaceutical Products in Bangladesh”. International Journal of Pharmaceutical & Biological Archive 12, no. 4 (December 23, 2021). Accessed May 2, 2024. http://www.ijpba.info/index.php/ijpba/article/view/1961.