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Dibyantini, Ratu Evina, and Aura Fitriani Harahap. “Developing the I-Spring Media Based on Project Based Learning Model on the Alkane Derivatives Topic”. Jurnal Pendidikan Kimia, vol. 14, no. 2, Aug. 2022, pp. 97-104, doi:10.24114/jpkim.v14i2.34029.