TY - JOUR UR - http://fmipa.uny.ac.id A1 - Sari Herlina, . TI - Effectiveness Of React Strategy For Improve Of Problem Solving st Ability On Mathematics In Junior High School PB - Departement of Mathematics Education Faculty of Mathematics and Natural Science Yogyakarta State University AV - public SN - 978-602-1037-00-3 Y1 - 2014/// ID - UNY24298 JF - International Seminar on Innovation in Mathematics and Mathematics Education ER -