Harahap, Mei Adelina, and Juni Andriani Rangkuti. “SUNAT MASSAL GEMMA PETA INDONESIA”. Jurnal Pengabdian Masyarakat Aufa (JPMA) 8, no. 1 (April 30, 2026). Accessed May 4, 2026. https://jurnal.unar.ac.id/index.php/jamunar/article/view/2691.