Tuti Asmiati, M. ikhsan, Muhammad Subianto. PENGEMBANGAN PERANGKAT PEMBELAJARAN PROBLEM BASED LEARNING BERBANTUAN SOFTWARE GEOGEBRA DI SMP. Numeracy [Internet]. 2020 Apr. 30 [cited 2026 Jul. 22];7(1):109-22. Available from: https://ejournal.bbg.ac.id/index.php/numeracy/article/view/1036