Siswono, Tatag, Ahmad Wachidul Kohar, Sugi Hartono, Abdul Haris Rosyidi, Ika Kurniasari, & Karim Karim. " Examining Teacher Mathematics-related Beliefs and Problem-solving Knowledge for Teaching: Evidence from Indonesian Primary and Secondary Teachers." International Electronic Journal of Elementary Education [Online], 11.5 (2019): 493-506. Web. 17 Jul. 2019