Selvakumaran, Suguna, and Ida Idayu Muhamed. 2014. “OPTIMIZATION OF FORMULATION OF FLOATING HYDROGELS CONTAINING GAS FORMING AGENT USING RESPONSE SURFACE METHODOLOGY”. International Journal of Pharmacy and Pharmaceutical Sciences 6 (7):526-30. https://mail.innovareacademics.in/journals/index.php/ijpps/article/view/1747.