Alifani, Shabrina, Hardi Suyitno, and Supriyadi Supriyadi. “Mathematical Problem Solving Abilities Viewed by Intelligence Quotient and Gender Grade 5th”. Journal of Primary Education 7, no. 1 (March 28, 2018): 81-87. Accessed December 21, 2024. https://journal.unnes.ac.id/sju/jpe/article/view/21407.