Wahida Zulkifli, N. (2019) “A Survey on Knowledge of Registered Drugs amongst Patients from the Specialist Clinic, Malaysia”, Al-Nahrain Journal of Science, 22(3), pp. 26–34. Available at: https://mail.anjs.edu.iq/index.php/anjs/article/view/2162 (Accessed: 22 May 2026).