Wahilaitwan, Nelma Yomima, and Mukhlas Triono. “PERBEDAAN HASIL BELAJAR MATEMATIKA DENGAN MODEL PROBLEM BASED LEARNING DAN GUIDED INQUIRY LEARNING PESERTA DIDIK KELAS VII SMP NEGERI 11 KABUPATEN SORONG”. THEOREMA: The Journal Education of Mathematics, vol. 2, no. 1, July 2021, https://e-journal.unimudasorong.ac.id/index.php/jurnaltheorema/article/view/1106.