SALSABILA, A.; NOVITA BR PANJAITAN, B.; HAFIZA, S. Big Book Development in Mathematics Lessons Student Learning Outcomes in Class 1 SDN 085138 Langkat . International Journal of Students Education, [S. l.], v. 1, n. 2, p. 572–576, 2024. DOI: 10.62966/ijose.v1i2.544. Disponível em: https://journal.berpusi.co.id/index.php/IJoSE/article/view/544. Acesso em: 2 aug. 2025.