TY - BOOK AU - Herzog,Elizabeth TI - Some guide lines for evaluative research: assessing psycho-social change in individuals T2 - United States. Children's Bureau. Publication AV - RC480.5 .H45 PY - 1959/// CY - [Washington] PB - U.S. Children's Bureau KW - Social sciences KW - Research N1 - "References": p. 96-117 ER -