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Herianto R, Amir A, Nizar A. The Effect of Discovery Learning Assisted by PhET Simulation Media on Students’ Mathematics Learning Outcomes in Equivalent Fraction Material at SMP Negeri 2 Padangsidimpuan. Mathline [Internet]. 2026 Jul. 31 [cited 2026 Aug. 1];11(2):505-16. Available from: https://mathline.unwir.ac.id/index.php/Mathline/article/view/1155