KUSWARA, R. Didi; ALMAZROEI, Essa Eqal; ISNAWAN, Muhamad Galang. Online didactical design for subtraction fractions: A didactical design research through lesson study activities. International Journal of Didactic Mathematics in Distance Education, [S. l.], v. 1, n. 1, p. 37–46, 2024. Disponível em: http://jurnal.ut.ac.id/index.php/ijdmde/article/view/7772. Acesso em: 20 may. 2024.