Asfar, A. T. (2019) “EFEKTIFITAS PENERAPAN CASE BASED LEARNING (CBL) DISERTAI UMPAN BALIK TERHADAP PEMAHAMAN KONSEP SISWA”, HISTOGRAM: Jurnal Pendidikan Matematika, 3(1), pp. 29–45. doi: 10.31100/histogram.v3i1.293.