Ade Dian Silvia, Fenny Roshayanti, and Ngurah Ayu Nyoman M, “PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR IPAS SISWA KELAS IV SD NEGERI GAYAMSARI 02”, didaktik, vol. 9, no. 2, pp. 4362 - 4370, Jul. 2023.