Purwanto, J. ., Rahma, I. N. ., Gunawan, G., & Kusuma, J. W. . (2022). THE EFFECT OF MATHEMATICS PROBLEM-SOLVING ABILITY AND LEARNING INDEPENDENCE ON MATHEMATICS LEARNING ACHIEVEMENT IN ONLINE LEARNING. International Journal of Economy, Education and Entrepreneurship (IJE3), 2(2), 309–316. https://doi.org/10.53067/ije3.v2i2.78