The Effect of Think Pair Share Cooperative Learning Model on Mathematical Problem-Solving Ability of Tenth Grade Students at SMA Muhammadiyah Kalabahi. (2025). Jurnal Edukasi STKIP Muhammadiyah Kalabahi, 1(1), 45-52. https://doi.org/10.11377/95sk7d48 (Original work published 2025)