Mahamboro, Dionius B., Andreas Baladika, and Leonardus Andhika. “Pendidikan Ekologis Untuk Kelompok Pendampingan Iman Remaja (PIR), Paroki St. Yusuf, Bintaran, Yogyakarta”. Madaniya 4, no. 4 (November 13, 2023): 1710-1716. Accessed October 9, 2026. https://www.madaniya.biz.id/journals/contents/article/view/611.