TY - JOUR T1 - The Efforts to Improving the Mathematical Critical Thinking Student¡¯s Ability through Problem Solving Learning Strategy by Using Macromedia Flash A1 - Simbolon, Maruli A1 - Mulyono, M A1 - Surya, Edy A1 - Syahputra, Edi Y1 - 2017 PY - 2017 DA - 2017/07/19 N1 - doi: 10.12691/education-5-7-5 DO - 10.12691/education-5-7-5 T2 - American Journal of Educational Research JF - American Journal of Educational Research JO - American Journal of Educational Research SP - 725 EP - 731 VL - 5 IS - 7 PB - Science and Education Publishing SN - 2327-6150 M3 - doi: 10.12691/education-5-7-5 UR - http://pubs.sciepub.com/education/5/7/5 Y2 - 2017/07/19 ER -