Mohsen, Tarek, and Alaa Tarek. “Factors That Influence Over-The-Counter (OTC) Medicines’ Purchasing Decision”. The International Journal of Business & Management 8, no. 12 (December 31, 2020). Accessed July 16, 2024. https://internationaljournalcorner.com/index.php/theijbm/article/view/156998.