Safana, Mega, Muhammad Zuhdi, and Jannatin ‘Ardhuha. “Development of Learning Devices Based on Discovery Learning Model on Global Warming Topic to Improve Student Learning Motivation and Outcome”. Jurnal Pijar Mipa 16, no. 4 (September 4, 2021): 492–497. Accessed November 24, 2024. http://jurnalfkip.unram.ac.id/index.php/JPM/article/view/2845.