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Kartika, W., Asrial, A., & Effendi-Hasibuan, M. H. (2021). The effectiveness of the four-step jigsaw and jigsaw learning model in improving students’ argumentation skills about salt hydrolysis concept. Jurnal Pendidikan Kimia, 13(3), 241–249. https://doi.org/10.24114/jpkim.v13i3.29929