CHIMAN LAL, RAJEEV GARG and GHANSHYAM DAS GUPTA (2019) “FORMULATION AND OPTIMIZATION BY APPLYING 32 FULL FACTORIAL DESIGN OF MUCOADHESIVE MICROSPHERES OF NIFEDIPINE”, Asian Journal of Pharmaceutical and Clinical Research, 12(6), pp. 321–327. doi: 10.22159/ajpcr.2019.v12i6.33657.