Utilization of waste cooking oil into aromatherapy candles. Community Empowerment, [S. l.], v. 8, n. 12, p. 2094–2100, 2023. DOI: 10.31603/ce.10790. Disponível em: https://coba.unimma.ac.id/ce/article/view/10790. Acesso em: 28 sep. 2026.