Optimasi Basis Carbopol dan Uji Fisik Basis Gel Anti Jerawat: Optimization of the Carbopol and Physical Testing of the Anti-acne Gel Base - Helga Lisu Sarira; Juniza Firdha Suparningtyas; Herman Herman (Fakultas Farmasi, Universitas Mulawarman, Samarinda, Indonesia, 2022)