Handbook of Mental Retardation and Development
by Jacob A. Burack, Robert M. Hodapp, Edward F. Zigler
ISBN 13: 9780521446686
Format: Paperback (782 pages) Publisher: Cambridge University Press Published: 28 Feb 1998
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Child Care Choices
by Edward F. Zigler
ISBN 13: 9781416573333
Format: Paperback (292 pages) Publisher: Simon and Schuster Published: 01 Oct 2008