Sukmawati, Ai, Evaliani Surachman, and Dewi Purnamasari. “Hydrokuinon Analytic On Night Cream From Beauty Clinic At Jl Margonda Depok Analyzed Using High Performance Liquid Chromatography Method (HPLC)”. SANITAS: Jurnal Teknologi dan Seni Kesehatan 8, no. 2 (December 1, 2017): 80-86. Accessed May 7, 2024. https://sanitas.e-journal.id/index.php/SANITAS/article/view/20171201-sukmawati.