Prastiwi, R. and Wathon, A. (2024) “Pengaruh Model Problem Based Learning Terhadap Hasil Belajar Matematika Siswa Kelas IV SDN”, Sistim Informasi Manajemen, 7(3), pp. 1254-1283. Available at: https://oj.lapamu.com/index.php/sim/article/view/246 (Accessed: 10October2026).