Purba, Nadila, Natalina Purba, & Emelda Thesalonika.
" PENGARUH MODEL PROBLEM BASED LEARNING (PBL) TERHADAP HASIL BELAJAR MATEMATIKA SISWA DI KELAS IV SD." <em>Jurnal Darma Agung</em> [Online], 32.1 (2024): 607-619. Web. 22 Dec. 2024