Zainab, & Hasdin. (2022). IMPROVING STUDENT LEARNING OUTCOMES THROUGH PROBLEM-BASED LEARNING MODEL IN SUBJECTS PPKn CLASS VIII A IN SMP CONTRY 16 PALU. Edu Civic, 9(1), 7–14. Retrieved from https://jurnal.fkip.untad.ac.id/index.php/educ/article/view/1767