In’am, A., Ridho’i, A. V., Vedianty, A. S. A., & Riono, S. H. (2021). Problem-solving model and LKPD: How do they affect the math-solving ability of middle school students?. AMCA Journal of Science and Technology, 1(2). https://doi.org/10.51773/ajst.v1i2.283