Abuga, K., N. Nyamweya, and O. Kingondu. “Quality of Alcohol Based Hand Sanitizers Marketed in the Nairobi Metropolitan Area”. The East and Central African Journal of Pharmaceutical Sciences, Vol. 24, no. 1, Oct. 2021, pp. 29-37, https://uonjournals.uonbi.ac.ke/ojs/index.php/ecajps/article/view/818.