Putra Nugraha, D. M. D., and D. Juniayanti. “THE EFFECTIVENESS OF PROBLEM BASED LEARNING USING CPS-THINKING FRAME ON CRITICAL THINKING ABILITY IN TERMS OF STUDENTS’ SELF EFFICACY”. Jurnal Pendidikan Dasar Flobamorata , Vol. 4, no. 1, Mar. 2023, pp. 450-7, doi:10.51494/jpdf.v4i1.906.