Описание на библ. документ: "Committee on National Statistics, Board on Children, Youth and Families, Commission on Behavioral and Social Sciences and Education, National Research Council, Institute of Medicine."
Физически характеристики: 1 online resource (xii, 111 pages).
Библиография: Includes bibliographical references (page 15).
ISBN: 0585019932
9780585019932
9780309061926
030906192X