Marisda, D. H., . Rahmawati, . Riskawati, S. Basri, and . Anisa. “Analyzing the Validity of Interactive Multimedia-Based Learning on Acid Rain Content”. KnE Social Sciences, Vol. 7, no. 12, Aug. 2022, pp. 296–307, doi:10.18502/kss.v7i12.11534.