Rahmawati, Lusi. “Optimalisasi Sikap Peduli Lingkungan Siswa Kelas VI Melalui Implementasi Model Problem Based Learning”. DIKODA: JURNAL PENDIDIKAN SEKOLAH DASAR 3, no. 02 (November 17, 2023): 25-35. Accessed May 5, 2024. https://jurnal.pelitabangsa.ac.id/index.php/JPGSD/article/view/1458.