Rizkia, Annissa Dwi, Sjaifuddin Sjaifuddin, and Dwi Indah Suryani. “Development of Problem-Solving Based Test Instruments to Foster the Students Creative Thinking Skills on Environmental Conservation”. Jurnal Pijar Mipa 17, no. 4 (July 28, 2022): 447–454. Accessed May 21, 2024. http://jurnalfkip.unram.ac.id/index.php/JPM/article/view/3671.