“IN VITRO RELEASE KINETICS STUDY AND OPTIMIZATION OF AMBROXOL HCl 75 MG MATRIX TABLETS USING RESPONSE SURFACE METHODOLOGY” (2022) International Research Journal of Pharmacy, 13(5), pp. 17–24. Available at: https://irjponline.org/index.php/irjp/article/view/251 (Accessed: 24 June 2026).