Ghullam Hamdu, Lilis Suryani, and Ahmad Mulyadi Prana. “TINGKAT KESULITAN SOAL TES BERPIKIR SISTEM PADA IMPLEMENTASI PEMBELAJARAN EDUCATION FOR SUSTAINABLE DEVELOPMENT DI SEKOLAH DASAR”. Prosiding Seminar Nasional MIPATI 1, no. 1 (December 30, 2021). Accessed November 23, 2024. https://jurnal.stkipbjm.ac.id/index.php/mipati/article/view/1538.