“Analisis Kesulitan Penerapan Problem-Based Learning (PBL) pada Mata Pelajaran IPAS Kelas 3 di SDN 3 Randurejo”, NJMSTE, vol. 1, no. 01, pp. 23–29, Mar. 2025, Accessed: Oct. 25, 2025. [Online]. Available: https://educationalresearchjournal.com/index.php/njmste/article/view/4