A. H. Deshpande, and D. D. Wasule. “Design and Evaluation of Gastroretentive Ranitidine HCL Sustained Release Bilayer Tablet Using Wax Matrix: A Recent Study”. Highlights on Medicine and Medical Research Vol. 6, Apr. 2021, pp. 60-71, doi:10.9734/bpi/hmmr/v6/2373E.