NORULHUDA ISMAIL, S. M. Z. Systematic Review: Student Skills and Psychology in Multiplication Operations . Journal for ReAttach Therapy and Developmental Diversities, [S. l.], v. 6, n. 10s, p. 01–12, 2023. Disponível em: https://jrtdd.com/index.php/journal/article/view/1076. Acesso em: 22 jul. 2024.