Sowanto, S. and Maryatinnisah, A. (2019) “MENINGKATKAN KEMAMPUAN SELF-EFFICACY SISWA SMP MELALUI SITUATION-BASED LEARNING (SBL) BERBANTUAN PROGRAM GEOMETER’S SKETCHPAD (GSP)”, Supermat : Jurnal Pendidikan Matematika, 3(1), pp. 23-33. doi: 10.33627/sm.v3i1.172.