TY - JOUR T1 - Development of Learning Devices through Knisley Mathematical Learning Model to Improve Mathematical Understanding and Disposition Ability of Class VII SMP Swasta Tamora 2 A1 - Saragih, Siti Hanijah Br. A1 - Syahputra, Edi A1 - Syafari, S A1 - Sinaga, Yuli Ragelia Y1 - 2018 PY - 2018 DA - 2018/11/22 N1 - doi: 10.12691/education-6-11-10 DO - 10.12691/education-6-11-10 T2 - American Journal of Educational Research JF - American Journal of Educational Research JO - American Journal of Educational Research SP - 1522 EP - 1530 VL - 6 IS - 11 PB - Science and Education Publishing SN - 2327-6150 M3 - doi: 10.12691/education-6-11-10 UR - http://pubs.sciepub.com/education/6/11/10 Y2 - 2018/11/22 ER -