00968nam a2200241Ia 4500 185344 BIBL 20190327111136.0 830215s1982 ohu bp 00110 eng 81084798 //r84 0675098165 (pbk.) Ehlers, Walter H. Local 90742 Mental retardation and other developmental disabilities a programmed introduction Walter H. Ehlers, Jon C. Prothero, John Langone. 3rd ed. Columbus C.E. Merrill Pub. Co. c1982. xi, 502 p. Includes bibliographies and index. Mental Retardation Programmed instruction. Local 135273 Mentally handicapped children Services for United States Programmed instruction. Local 135287 Developmental disabilities Programmed instruction. Local 86203 Prothero, Jon C. Local 154451 Langone, John 1929- Local 122991 141751 141751 0 0 lc 0 RC_570_000000000000000__E345_1982 0 mbl 128002 12 12 20 2016-05-27 MIDWEST 18.95 440225 0 RC 570 .E345 1982 50000001907004 2016-05-27 00:00:00 r:185344 6 0 0 0 362_307000000000000_E33M3 0 evl 128007 10 10 1 2016-05-27 273484 0 362.307 E33m3 80000001777385 2016-05-27 00:00:00 r:185344 z:NCC:D 6