GAMARIEL, D. M. ., and T. . Serge. “Effect of Government Policies on Supply Chain Efficiency. A Case of Selected Pharmacies in Kicukiro District, Kigali City”. Social Science Learning Education Journal, vol. 6, no. 11, Nov. 2021, pp. 681-5, http://sslej.in/index.php/sslej/article/view/3505.