HUTAHAEN, David Togi; PURBA, Christian Neni. Peningkatan Kompetensi Guru Melalui Penulisan Buku Ajar. SAMBARA: Jurnal Pengabdian Kepada Masyarakat, [S. l.], v. 4, n. 2, p. 535–542, 2026. DOI: 10.58540/sambarapkm.v4i2.1763. Disponível em: https://putrapublisher.org/index.php/sambara/article/view/1763. Acesso em: 7 jun. 2026.