Purba, Nadila, 		Purba, Natalina, AND 		Thesalonika, Emelda.
" PENGARUH MODEL PROBLEM BASED LEARNING (PBL) TERHADAP HASIL BELAJAR MATEMATIKA SISWA DI KELAS IV SD" <em>Jurnal Darma Agung</em> [Online], Volume 32 Number 1 (25 February 2024)