Nyamweya, N., and K. Abuga. “A Survey of Alcohol-Based Hand Sanitizers in Nairobi: Packaging, Labelling and Regulatory Compliance”. The East and Central African Journal of Pharmaceutical Sciences, Vol. 23, no. 2, Sept. 2020, pp. 72-76, https://uonjournals.uonbi.ac.ke/ojs/index.php/ecajps/article/view/584.