Saputra, Angga Bagas, Afreni Hamidah, and Raissa Mataniari. “Development of E-LKPD Based on Problem Based Learning on Excretory System Material for High Schools”. Jurnal Penelitian Pendidikan IPA 10, no. 5 (May 25, 2024): 2423–2430. Accessed July 1, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/6935.