Descripción
Notas:"Committee on National Statistics, Commission on Behavioral and Social Sciences and Education, National Research Council."
Descripción Física:1 online resource (viii, 151 pages)
Bibliografía:Includes bibliographical references (pages 90-92).
ISBN:0585171947
9780585171944
0309184118
9780309184113
1280185678
9781280185670
9786610185672
6610185670
0309593794
9780309593793