Agustin, Eriska, and Aknes Pratiwi. 2023. “The Utilization of Secang Wood (Caesalpinia Sappan L.) Extract Nanoemulsion As Natural Pigment in Lip Cream Preparations”. Journal of Drug Delivery and Therapeutics 13 (10): 54-58. https://doi.org/10.22270/jddt.v13i10.6242.