KUSUMA, S. A. F., M. ABDASSAH, and F. MARYATI. “COMPARISON OF PRESERVATIVES EFFICACY OF BENZALKONIUM CHLORIDE, THIMEROSAL AND BENZYL ALCOHOL IN EYE DROP PRODUCTS CONTAINING CHLORAMPHENICOL”. International Journal of Applied Pharmaceutics, Vol. 12, no. 4, July 2020, pp. 100-5, doi:10.22159/ijap.2020v12i4.37686.