TY - BOOK AU - AU - Snell, Martha E. ED - ED - ED - ED - SN - 675083907 SN - 2 PY - 1978///];copyright 1978.46 CY - Columbus, Ohio PB - Merrill KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Education KW - Children with disabilities KW - United States N1 - Includes bibliographies and indexes; 5 ER -