GARG, R., S. KAUR, RITIKA, S. KHATOON, NAINA, and H. VERMA. “A COMPLETE AND UPDATED REVIEW ON VARIOUS TYPES OF DRUG DELIVERY SYSTEMS”. International Journal of Applied Pharmaceutics, vol. 12, no. 4, July 2020, pp. 1-16, doi:10.22159/ijap.2020v12i4.37508.