KURNIAWANSYAH, I. S., T. RUSDIANA, H. TSANIYAH, H. RAMOKO, H. A. WAHAB, and A. SUBARNAS. “IN VITRO DRUG RELEASE STUDY OF CHLORAMPHENICOL IN SITU GEL WITH BASES MIXTURE OF POLOXAMER 407 AND HPMC BY OPTIMIZATION WITH FACTORIAL DESIGN”. International Journal of Applied Pharmaceutics, vol. 13, no. 4, Dec. 2021, pp. 116-23, doi:10.22159/ijap.2021.v13s4.43829.