TY - JOUR PB - Departement of Mathematics Education Faculty of Mathematics and Natural Science Yogyakarta State University A1 - Nurina Happy, . JF - International Seminar on Innovation in Mathematics and Mathematics Education Y1 - 2014/// SN - 978-602-1037-00-3 UR - http://fmipa.uny.ac.id ID - UNY24331 TI - The Effectiveness Of Pbl On Mathematical Creative Thinking Skills And Self-Esteem Of Junior High School Students AV - public ER -