"Trastorns de l'aprenentatge." . . . . "Lernbehinderung." . . "Trastornos del aprendizaje." . . "Apprentissage, Troubles de l'" . . . . . . . "Learning diabilities : a competency based approach"@en . . . . . . . . . . . . "Learning disabilities : a competency based approach" . "Learning disabilities : a competency based approach"@en . . "Learning disabilities, a competency based approach" .