National Research Council (U.S.). Panel on Transitions to Adulthood in Developing Countries ; Lloyd, Cynthia B. ; Panel on Transitions to Adulthood in Developing Countries ; Board on Children, Youth, and Families ; Committee on Population ; Division of Behavioral and Social Sciences and Education ; Institute of Medicine (U.S.) Staff ; National Research Council ; National Research Council (U.S) Staff ; National Research Council (U.S.)