Suwartiningsih, Nurul, Sri Handayaningsih, Sugiyarto Sugiyarto, Ummu Atiqah Mohd Roslan, Nursyiva Irsyalinda, and Subhan Zul Ardi. “Penguatan Karakter Peduli Lingkungan Di SMK Ibrahim Fikri, Kuala Nerus, Terangganu, Malaysia: Penelitian”. Jurnal Pengabdian Masyarakat dan Riset Pendidikan 4, no. 1 (August 25, 2025): 4868–4874. Accessed September 23, 2026. https://jerkin.org/index.php/jerkin/article/view/2377.