NATASYA KHAIRUNISA; SUCI RAHMA PUTRI; MARTIYA NURNI KHAIRITA. PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR MATEMATIS SISWA KELAS IV SDN 044/VIII TELUK SINGKAWANG. Didaktik : Jurnal Ilmiah PGSD STKIP Subang, v. 9, n. 5, p. 4245 - 4259, 31 Dec. 2023.