SOPYAN, I., A. D. P. KOMARUDIN, J. A. HUANG, and I. S. K. S. “AN OVERVIEW: DEVELOPMENT OF COLON DRUG DELIVERY SYSTEM AND ITS APPLICATION AND LIMITATIONS”. International Journal of Applied Pharmaceutics, vol. 15, no. 1, Jan. 2023, pp. 24-30, doi:10.22159/ijap.2023v15i1.46681.