FATMA ACAR; ŞERIFE SEVINÇ. Investigation of middle school students’ unit coordination levels in mathematics problems involving multiplicative relations. Elementary Education Online, [S. l.], v. 20, n. 1, p. 90–114, 2023. Disponível em: https://ilkogretim-online.org./index.php/pub/article/view/156. Acesso em: 8 jul. 2024.