Fathin, A. Z. ., Gunawan, G., Untarti, R. ., Kusuma, J. W. . and Sugiastuti, S. (2023) “EFFORTS TO IMPROVE CRITICAL THINKING SKILLS AND INTEREST IN LEARNING MATHEMATICS USING THE INTEGRATED NUMBER HEAD-TOGETHER PROBLEM-BASED LEARNING MODEL”, International Journal of Economy, Education and Entrepreneurship (IJE3), 3(3), pp. 702–713. doi: 10.53067/ije3.v3i3.185.