ROMAULI E.G. SIALLAGAN. Edukasi Gerkasa-Lasakit (Gerakan Lansia Sehat Sadar Penyakit). Sevaka : Hasil Kegiatan Layanan Masyarakat, [S. l.], v. 1, n. 4, p. 01–08, 2023. DOI: 10.62027/sevaka.v1i4.90. Disponível em: https://journal.stikescolumbiasiamdn.ac.id/index.php/Sevaka/article/view/90. Acesso em: 22 aug. 2025.