Gunawan, G., Nisa, I. , Untarti, R. , Kusuma, J.W. , Purwanto, J. and Susri, S. 2024. APPLICATION OF THE CONTEXTUAL TEACHING AND LEARNING MODEL THROUGH TEACHING AT THE RIGHT LEVEL ASSISTED BY CONCRETE MEDIA TO IMPROVE MATHEMATICAL PROBLEM-SOLVING SKILLS. International Journal of Economy, Education and Entrepreneurship (IJE3). 4, 3 (Dec. 2024), 616–623. DOI:https://doi.org/10.53067/ije3.v4i3.299.