Ningrum AK, Hutajulu YA, Pratiwi I. Analisis Keaktifan Siswa Kelas IV Pada Pembelajaran IPA di SD Swasta Muhammadiyah 25 Medan. IJESPG [Internet]. 2023 Jul. 25 [cited 2025 Sep. 23];1(3):35-41. Available from: https://ijespgjournal.org/index.php/ijespg/article/view/31