Rismawati, Lia, and Muh. Jaelani Al-Pansori. “Implementasi Model Project Based Learning (PJBL) Terhadap Pemecahan Masalah Ipa Siswa Kelas IV SDN 3 Loyok”. Innovative: Journal Of Social Science Research, vol. 3, no. 6, Dec. 2023, pp. 9360-71, http://j-innovative.org/index.php/Innovative/article/view/7035.