Onjero, I., B. F. Juma, J. C. Korir, and R. W. Kamau. “Antimicrobial Activity and Interactions of Toddalia Asiatica Isolated Coumarins With Two Known Drugs”. International Research Journal of Pure and Applied Chemistry, Vol. 21, no. 15, Sept. 2020, pp. 1-16, doi:10.9734/irjpac/2020/v21i1530248.