“PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING PBL TERHADAP HASIL BELAJAR ILMU PENGETAHUAN SOSIAL KELAS IX SMP NEGERI 4 SATAP TOMPASOBARU”, jpe-unima, vol. 5, no. 1s, p. 200 209, Oct. 2025, doi: 10.53682/jpeunima.v5i1s.8708.