“Characterization of Chitosan Obtained from Snail Shell (Achatina Fulica) and Its Excipient Potentials in Metronidazole Tablet Formulation”. Dhaka University Journal of Pharmaceutical Sciences 20, no. 1 (June 20, 2021): 31–39. Accessed July 7, 2026. https://www.banglajol.info/index.php/JPharma/article/view/50855.