Wulandari, Putri, 		Mumpuni, Esti, 		Mulatsari, Esti, AND 		Kartiningsih, Kartiningsih.
" Formulation of facial liquid soap wıth 4-(Dimethylamino) chalcone and virgin coconut oil as antibacterial agents against acne-causing bacteria" <em>JURNAL ILMU KEFARMASIAN INDONESIA</em> [Online], Volume 23 Number 2 (19 November 2025)