THE EFFECTIVENESS OF GIVING BETEL LEAF DECIL IN REDUCING WHITENING IN STUDENTS STIKES AL INSYIRAH PEKANBARU. Al Insyirah International Scientific Conference on Health, [S. l.], v. 3, n. 1, p. 175–186, 2023. Disponível em: https://jurnal.ikta.ac.id/aisch/article/view/2359. Acesso em: 4 jun. 2026.