MWAMBETE, K., and A. SIMON. “Microbiological Quality and Preservative Capacity of Commonly Available Cosmetics in Dar Es Salaam, Tanzania”. The East and Central African Journal of Pharmaceutical Sciences, Vol. 13, no. 1, Nov. 2018, pp. 3-11, https://uonjournals.uonbi.ac.ke/ojs/index.php/ecajps/article/view/101.