Onjero, I., Juma, B. F., Korir, J. C., & Kamau, R. W. (2020). Antimicrobial Activity and Interactions of Toddalia asiatica Isolated Coumarins with Two Known Drugs. International Research Journal of Pure and Applied Chemistry, 21(15), 1-16. https://doi.org/10.9734/irjpac/2020/v21i1530248