Purwati, Yuli, Y L Sukestiyarno, and Sarwi Sarwi. “The Integration of Character Education in Junior High School Mathematics Curriculum Based on the ATONG (Amati Tanya Olah Nalar Dan Gagas) Approach”. Journal of Primary Education 8, no. 8 (September 26, 2019): 133-142. Accessed May 5, 2024. https://journal.unnes.ac.id/sju/jpe/article/view/34310.