Descripción
Notas:"Committee on National Statistics, Commission on Behavioral and Social Sciences and Education, National Research Council."
Descripción Física:1 online resource (viii, 225 pages)
Bibliografía:Includes bibliographical references.
ISBN:0585144176
9780585144177
9780309542043
0309542049
1280247126
9781280247125
9786610247127
6610247129