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Budiantara A, Mustaji M, Setyowati RRN. Development of Teaching Materials Based Learning Management System “Sifajargoro” to Foster Attitudes of Responsibility and Student Learning Outcomes in The Subjects of Civics Fifth Grade Elementary School Students . edu [Internet]. 2023 Jan. 13 [cited 2026 Apr. 18];4(1):294-311. Available from: https://edunesia.org/edu/article/view/346