Lestari, Mila, and Guspatni Guspatni. “Validity of Powerpoint-Ispring Learning Media on Carbohydrate Materials in High School”. Jurnal Pijar Mipa 18, no. 2 (March 30, 2023): 170–175. Accessed May 20, 2024. http://jurnalfkip.unram.ac.id/index.php/JPM/article/view/4635.