SAFRI, Zainal; HASANAH, Siti; MAHMUDAH; SORAYA, Fitri; SIREGAR, Tuti Sriwahyuni. Implementation of Contextual Teaching and Learning Model in Nature-Based Learning to Improve Morals and Concern for the School Environment at SMP S Alam Leuser. Jurnal Profesi Guru Indonesia, [S. l.], v. 1, n. 4, p. 162–169, 2024. DOI: 10.62945/jpgi.v1i4.636. Disponível em: https://journal.mgedukasia.or.id/index.php/jpgi/article/view/636. Acesso em: 27 jun. 2025.