Almadanti, S.A. et al. 2020. Microencapsulation to Maintain the Activity and Stability of Drug Substances: A Review: Activity, Stability, Coacervation, Microencapsulation, Spray Drying, Solvent Evaporation. Asian Journal of Pharmaceutical Research and Development. 8, 6 (Dec. 2020), 73–76. DOI:https://doi.org/10.22270/ajprd.v8i6.829.