1.
Siregar LSR, Setiawan D, Sutopo A. THE INFLUENCE OF PROBLEM BASED LEARNING MODEL ANDSOCIAL SKILLS ON LEARNING OUTCOMES OF PKN STUDENTSCLASS IV STATE ELEMENTARY SCHOOL 0308 AEK BARGOT . SIJEL [Internet]. 2021Nov.8 [cited 2026Aug.3];1(4):913-32. Available from: https://www.sijel-journal.sensei-journal.com/jbo/article/view/59