New perspectives in special education : a six-country study of integration / edited by Cor J.W. Meijer, Sip Jan Pijl, and Seamus Hegarty ; Dutch-English translations and editorial assistance by Inge Abbring. - Meijer, Cor J. W.; Pijl, Sip Jan; Hegarty, Seamus (Routledge, 1994)