Pelatihan Pemilahan Sampah pada Anak Sekolah Minggu Jemaat GMIM Maranatha Karame: Training Program on Waste Sorting for Sunday School Children of GMIM Maranatha Karame . TTJPM. 2025;3(2):67-73. Accessed September 7, 2026. https://ejournal.unsrat.ac.id/v3/index.php/TTJPM/article/view/59016