fadli, reica. 2023. “MAKING ORGANIC SOLID SOAP FROM PALM OIL, OLIVE OIL, AND PURE COCONUT OIL (VCO) WITH COFFEE POWDER AND COFFEE AROMA: Laboratorium Pendidikan IPA”. SEMESTA: Journal of Science Education and Teaching 6 (2):63-71. https://doi.org/10.24036/semesta/vol6-iss2/210.