TY - BOOK AU - Hammill,Donald D. AU - Bartel,Nettie R. TI - Educational perspectives in learning disabilities SN - 0471347256 AV - LC4031 .H35 U1 - 371.9 HAM B;1 PY - 1971///] CY - New York PB - Wiley KW - Children with disabilities KW - Education KW - United States N1 - Includes bibliographies ER -