Winoto, Y. A., Kristin, F. and Anugraheni, I. (2019) “INCREASING ACTIVITIES AND RESULTS OF LEARNING OF 4TH CLASS SCHOOL STUDENTS THROUGH APPLICATION OF LEARNING MODEL BASED ON PROBLEM-BASED LEARNING PROBLEMS FOR THEMATIC LEARNING”, JURNAL HANDAYANI PGSD FIP UNIMED, 10(1), pp. 71–76. doi: 10.24114/jh.v10i1.14140.