ANISA WARDATULDINIAH; ABDUR RAHIM. STUDI KELAYAKAN ISI BUKU ILMU PENGETAHUAN ALAM KELAS IV MADRASAH IBTIDAIYAH DARI KEMENTRIAN PENDIDIKAN. JOEL: Journal of Educational and Language Research, [S. l.], v. 2, n. 2, p. 237–254, 2022. DOI: 10.53625/joel.v2i2.3614. Disponível em: https://bajangjournal.com/index.php/JOEL/article/view/3614. Acesso em: 29 mar. 2024.