TY - BOOK ED - United Nations. Department of Economic and Social Affairs TI - Planning and plan implementation: papers submitted to the committee for development planning as its second session , held at Santiago, Chile, from 10 to 20 April 1967 U1 - 338.9 21st PY - 1967/// CY - New York PB - United Nations KW - Economic policy; Regional planning; Economic development N1 - ST/ECA/102 ER -