Agustine, Dine, 		Nurlatifah, Ismi, AND 		Choirunnisa, Shaquariza.
" The Making of Liquid Soap Based on Used Cooking Oil with An Addition of Starfruit Extract (Averrhoa Carambola L.) as an Antioxidant" <em>BERKALA SAINSTEK</em> [Online], Volume 11 Number 1 (4 May 2023)