SIAHAN, Adriani S.A Siahan; SIALLAGAN, Dahlia Nopelina; SIBARANI, Sariayu; SIMANJUNTAK, Berliana; SIMANGUNSONG, Rini T. Building Students’ Character and Communication Skills with Management, Legal, and Environmental Knowledge Approaches in Education at SMPN 4 Muara. Jurnal Pengabdian Nasional (JPN) Indonesia, [S. l.], v. 6, n. 1, p. 123–131, 2025. DOI: 10.35870/jpni.v6i1.1154. Disponível em: https://journal.stmiki.ac.id/index.php/jpni/article/view/1154. Acesso em: 4 oct. 2026.