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Sarmi , C.R.P. and Asmin 2022. The Effect of a Realistic Mathematical Approach on the Mathematical Problem Solving Ability of Class VIII Students of SMP IT Al-Hijrah 2 Deli Serdang. Formosa Journal of Applied Sciences. 1, 6 (Nov. 2022), 1295–1314. DOI:https://doi.org/10.55927/fjas.v1i6.1946.