Purwati, Y., Sukestiyarno, Y. L., & Sarwi, S. (2019). 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(8), 133-142. https://doi.org/10.15294/jpe.v10i2.34310