PRIMANDARI, Sri Rizki Putri; ARAFAT, Andril; VENY, Harumi. Optimization of Waste Cooking Oil’s FFA as Biodiesel Feedstock. Teknomekanik, [S. l.], v. 4, n. 1, p. 14–21, 2021. DOI: 10.24036/teknomekanik.v4i1.9072. Disponível em: https://teknomekanik.ppj.unp.ac.id/index.php/teknomekanik/article/view/90. Acesso em: 23 may. 2026.