Ghullam Hamdu, Lilis Suryani, Ahmad Mulyadi Prana. TINGKAT KESULITAN SOAL TES BERPIKIR SISTEM PADA IMPLEMENTASI PEMBELAJARAN EDUCATION FOR SUSTAINABLE DEVELOPMENT DI SEKOLAH DASAR. Prosiding Semnas MIPATI [Internet]. 2021Dec.30 [cited 2024Nov.23];1(1). Available from: https://jurnal.stkipbjm.ac.id/index.php/mipati/article/view/1538