Kisworo DA, Wasitohadi W, Rahayu TS. PERBEDAAN EFEKTIVITAS GROUP INVESTIGATION DENGAN PROBLEM BASED LEARNING TERHADAP KERJASAMA SISWA MATA PELAJARAN IPA SISWA KELAS 5 SD GUGUS JOKO TINGKIR. basicedu [Internet]. 2019 Apr. 29 [cited 2024 Dec. 23];3(1):66-75. Available from: https://jbasic.org/index.php/basicedu/article/view/80