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Kartini K, Doyan A, Kosim K, Susilawati S, Khasanah BU, Hakim S, et al. Analysis of Validation Development Learning Model Attainment Concept to Improve Critical Thinking Skills and Student Learning Outcomes. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2019 Jun. 20 [cited 2024 Nov. 23];5(2):185-8. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/262