MERSIN, N. .; AKKAŞ, E. N. COMPARISON OF PROBLEMS RELATED TO THE MULTIPLICATION OF FRACTIONS IN MATHEMATICS TEXTBOOKS: THE CASE OF SINGAPORE AND TURKEY. International Online Journal of Education and Teaching, [S. l.], v. 9, n. 2, p. 930–954, 2022. Disponível em: https://iojet.org/index.php/IOJET/article/view/1624. Acesso em: 28 dec. 2025.