Kapoor, D, et al. “FABRICATION DEVELOPMENT, OPTIMIZATION AND CHARACTERIZATION OF GASTRORETENTIVE MICROSPHERES OF AN ANTIHYPERTENSIVE DRUG”. Journal of Drug Delivery and Therapeutics, vol. 4, no. 1, Jan. 2014, pp. 31-35, https://doi.org/10.22270/jddt.v4i1.733.