El Safitri, Nimas Ayu, and Rusly Hidayah. “Development of an Electronic Worksheet Oriented to Problem-Based Learning to Improve Metacognitive Skills on Reaction Rate Material”. Jurnal Pijar Mipa 19, no. 5 (September 27, 2024): 809–816. Accessed November 22, 2024. http://jurnalfkip.unram.ac.id/index.php/JPM/article/view/7359.