Anjaneyulu, M., K. Rao, A. Parandhama, and M. Subha. 2020. “INTERPENETRATING POLYMER NETWORK MICROSPHERES OF POLY (VINYL ALCOHOL)/XANTHAN GUM FOR CONTROL RELEASE OF VERAPAMIL HYDROCHLORIDE”. Journal of Advanced Scientific Research 11 (01), 109-15. https://sciensage.info/index.php/JASR/article/view/417.