“SALAM EDUCATION (SAHABAT ALAM) TO ACTION AND SAVING THE ENVIRONMENT OF BUDI MULIA SCHOOL, BALIKPAPAN” (2021) Seminar Nasional Pengabdian Kepada Masyarakat (SEPAKAT), 1(1). Tersedia pada: https://journal.itk.ac.id/index.php/sepakat/article/view/605 (Diakses: 2 November 2026).