Buana, Randy Tirto, and Alfyananda Kurnia Putra. “Peningkatan Kemampuan Berpikir Spasial: Implementasi Model Problem Based Learning Melalui Pendekatan Self Efficacy Berbantuan WebGIS Inarisk”. Journal of Education Action Research 7, no. 3 (August 25, 2023): 310–319. Accessed December 30, 2024. https://ejournal.undiksha.ac.id./index.php/JEAR/article/view/63881.