nabilla, salsa 2023. PROCESSING PALM OIL AND COCONUT OIL INTO BAR SOAP WITH PAPAYA EXTRACT: Laboratorium Pendidikan IPA. SEMESTA: Journal of Science Education and Teaching. 6, 2 (Dec. 2023), 72–79. DOI:https://doi.org/10.24036/semesta/vol6-iss2/211.