Planning for children and youth within national development planning, Edwin P. Reubens. Reubens, Edwin Pierce. United Nations Research Institute for Social Development. UNICEF. Youth. Social policy. Child welfare. HQ796 .R53 309.2 UNP "Sales no. 1967.IV.25. Sales no. 1967.IV.26 (paper bound)." At head of title: United Nations Research Institute for Social Development and United Nations Children's Fund. Includes bibliographical references. Geneva : 1967. 1967. 1967 Text vi, 131 p. ; eng