Rochmah, Thinni, Dwi Ratnasari, and Hanin Robby. “Comparison of Economic Loss Between Generic Drug and Patent Drug in Stock-Out and Stagnant Condition at Surabaya Islamic Hospital, Indonesia”. Journal of Public Health in Africa 10, no. 1s (October 30, 2019). Accessed December 9, 2019. https://publichealthinafrica.org/index.php/jphia/article/view/1169.