MINARIA, M.; MOHADI, R. Preparation and characterization of calcium oxide from crab shells (Portunus pelagicus) and its application in biodiesel synthesis of waste cooking oil, palm and coconut oil. Science and Technology Indonesia, [S. l.], v. 1, n. 1, p. 1–7, 2017. DOI: 10.26554/sti.2016.1.1.1-7. Disponível em: https://sciencetechindonesia.com/index.php/jsti/article/view/3. Acesso em: 25 apr. 2024.