NINGRUM, A. K.; HUTAJULU, Y. A.; PRATIWI, I. Analisis Keaktifan Siswa Kelas IV Pada Pembelajaran IPA di SD Swasta Muhammadiyah 25 Medan. IJESPG (International Journal of Engineering, Economic, Social Politic and Government), [S. l.], v. 1, n. 3, p. 35–41, 2023. DOI: 10.26638/ijespg.v1i3.31. Disponível em: https://ijespgjournal.org/index.php/ijespg/article/view/31. Acesso em: 23 sep. 2025.