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 [Internet]. 2019Nov.1 [cited 2025Dec.20];13(2):56-63. Available from: https://cakrawala.upstegal.ac.id/index.php/cakrawala/article/view/208