Wirnayanti, W., Craig, J. and Malatjie, J.F. 2024. Comparing the Impact of Problem Solving vs. Problem Posing Approaches on Mathematics Achievement in Junior High School. Interval: Indonesian Journal of Mathematical Education. 2, 2 (Nov. 2024), 36-44. DOI:https://doi.org/10.37251/ijome.v2i2.1094.