Evaluation of Cambridge Math Series for Grades 4 & 8 in Oman using TIMSS 2019 Standards. Asian Social Science and Humanities Research Journal (ASHREJ), [S. l.], v. 6, n. 2, p. 50–59, 2025. DOI: 10.37698/ashrej.v6i2.313. Disponível em: https://journal.ucyp.edu.my/index.php/ASHREJ/article/view/313. Acesso em: 18 feb. 2026.