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Sura’, Handayani, Fitriyanti Sulaiman, and Elihami Elihami. “Teaching Variation Development through Tutoring in Optimizing Student Achievement”. Edumaspul: Jurnal Pendidikan 4, no. 2 (October 30, 2020). Accessed April 5, 2026. https://jurnal.unimen.cloud/index.php/maspuljr/article/view/750.