Aulina Prayoga Ardhana, Ike Yuli Mustika Dewi. OPTIMALISASI PROBLEM BASED LEARNING PADA MATA PEMBELAJARAN MATEMATIKA SEKOLAH DASAR. JIPM [Internet]. 2025 Jan. 13 [cited 2025 Sep. 11];3(1):568-76. Available from: https://ejurnal.kampusakademik.my.id/index.php/jipm/article/view/755