“Penguatan Pilar Ke-Tiga Program Satuan Pendidikan Aman Bencana (SPAB) Di SD Negeri Umbulharjo”. Jurnal Igakerta 1, no. 4 (December 21, 2024): 20–32. Accessed October 14, 2025. https://igakerta.com/jurnal/index.php/iga/article/view/29.