Widodo Pujo Laksono, Salfa Amanda Putri, Epirin Kusuma, and Irawan Hadi Wiranata. “Implementasi Ham Pada Siswa Kelas VIII SMPN 1 Kayen Kidul”. Philosophiamundi, vol. 2, no. 4, July 2024, pp. 56-67, https://philosophiamundi.id/index.php/philosophia/article/view/77.