Herianto, Ramadhan, et al. “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 : Jurnal Matematika Dan Pendidikan Matematika, vol. 11, no. 2, July 2026, pp. 505-16, doi:10.31943/mathline.v11i2.1155.