Costa JDM. THE DIFFICULTY FACED BY MULTIDISCIPLINARY TEACHERS (EARLY YEARS OF ELEMENTARY SCHOOL) IN TEACHING MATHEMATICS: A CONSTANT CHALLENGE IN PEDAGOGICAL PRACTICE . REASE [Internet]. 2026 Jun. 9 [cited 2026 Oct. 14];:10-136. Available from: https://periodicorease.pro.br/rease/article/view/24824