“Analisis Kesulitan Penerapan Problem-Based Learning (PBL) pada Mata Pelajaran IPAS Kelas 3 di SDN 3 Randurejo” (2025) Nawasena : Journal of Mathematics, Science and Technology Education, 1(01), pp. 23–29. Available at: https://educationalresearchjournal.com/index.php/njmste/article/view/4 (Accessed: 25 October 2025).