Nyagah, D., A. Njagi, and M. Nyaga. “Expired Drugs: Statistics, Factors and Mitigation Strategies of Med-Gate Pharmaceuticals and Tan Pharmacy up to 31/07/2021”. Journal of Advanced Education and Sciences, vol. 2, no. 2, May 2022, pp. 09-11, https://dzarc.com/education/article/view/44.