Dwi Setyo Rini, and Wasitohadi. “THE EFFECT OF PROBLEM BASED LEARNING MODEL AND DISCOVERY LEARNING TOWARD PROBLEM SOLVING SKILLS IN MATHEMATIC OF GRADE 5 ELEMENTARY”. Primary: Jurnal Pendidikan Guru Sekolah Dasar, vol. 9, no. 2, Apr. 2020, pp. 250-7, https://doi.org/10.33578/jpfkip.v9i2.7890.