Nurhakim I, Suherdiyanto S. PERBANDINGAN MODEL PROJECT BASED LEARNING DAN PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR SISWA KELAS XI MATA PELAJARAN GEOGRAFI DI SMA N 4 SUNGAI RAYA KABUPATEN KUBU RAYA. SOC EDUC [Internet]. 2020 Jun. 1 [cited 2024 Nov. 21];7(1):121-9. Available from: https://journal.ikippgriptk.ac.id/index.php/sosial/article/view/1573