Planning and plan implementation : papers submitted to the Planning Committee for Development Planning at its second session, held at Santiago, Chile, from 10 to 20 April 1967. - New York : United Nations (UN) , 1967 - 245p. : ill. ; 25 cm. Subjects--Topical Terms: Social policyPlanningEconomic policy Dewey Class. No.: 338.9 / UN 5