AMALIA, M.; GULTOM, F. R.; HANUM, S. Tingkat pengetahuan pegawai PLN Lubuk Pakam tentang kaitan penyakit Periodontal dan kesehatan sistemik. Tropical Public Health Journal, [S. l.], v. 3, n. 2, p. 97–104, 2023. DOI: 10.32734/trophico.v3i2.13271. Disponível em: https://idjpcr.usu.ac.id/trophico/article/view/13271. Acesso em: 14 aug. 2025.