RACHMAWATI, D. O.; SUSWANDI, I.; RISHA, N. THE VALUE OF VISCOSITY COEFFICIENT OF COOKING OIL RESULTED BY PURIFICATION BASED ON ACTIVE CHARCOAL TEMPERATURE WITH THE FALLING BALL METHOD. Indonesian Physical Review, [S. l.], v. 5, n. 1, p. 57–63, 2022. DOI: 10.29303/ipr.v5i1.140. Disponível em: https://ipr.unram.ac.id/index.php/ipr/article/view/140. Acesso em: 18 may. 2024.