N. W. Yuli Arianti, I. Sri Asri, and I. W. Wiarta, “PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING BERBANTUAN PENILAIAN PROYEK TERHADAP KOMPETENSI PENGETAHUAN PKn”, j. lesson learning stud., vol. 2, no. 3, pp. 370–377, Aug. 2019.