CAHYANINGTYAS, E.; WIDIYANTO, B.; KUSUMA, M. Penguatan Sikap Peduli Lingkungan Peserta Didik melalui Pendekatan Jelajah Alam Sekitar (JAS) Berbasis Model Problem Base Learning (PBL). Cakrawala: Jurnal Pendidikan, [S. l.], v. 13, n. 2, p. 56–63, 2019. DOI: 10.24905/cakrawala.v13i2.208. Disponível em: https://cakrawala.upstegal.ac.id/index.php/cakrawala/article/view/208. Acesso em: 20 dec. 2025.