Diana Carolina Medina Gayón, Rosa Virginia Medina Gayón. CHALLENGES IN THE IMPLEMENTATION OF PIAR AND DUA IN RURAL MULTIGRADE CLASSROOMS. DIALÉCTICA [Internet]. 2026 Jun. 22 [cited 2026 Oct. 15];1(29). Available from: https://mail.revistas.upel.edu.ve/index.php/dialectica/article/view/5688