“Rational Use of Medicines in Relation to Pharmaceutical Supply System in District Hospitals of Dar Es Salaam Region”. The East and Central African Journal of Pharmaceutical Sciences 15, no. 3 (November 21, 2018): 77–82. Accessed June 16, 2026. http://jsep.uonbi.ac.ke/ojs/index.php/ecajps/article/view/144.