Structural determinants of agricultural production, productivity and rural welfare in central Mexico, 1970 / by George Ray Gardner, jr
Stroessner en el desarrollo den Chaco : obras realizadas por el gobierno nacional a partir de 1955, destinadas a crear las condiciones generales para el desarrollo de la región occidental del país / Horacio C. Sosa
Strengthening the world monetary system / a statement on national policy by the Research and Policy Committee of the Committee for Economic Development
Street infrastructure improvements and reorganization of traffic patterns in downtown St. John’s : pre-feasibility analysis Revitalization of downtown Saint John’s, Antigua and Barbuda
A strategy of interdependence : a program for the control of conflict between the United States and the Sovietic Union / Vincent P. Rock
Strategie per sopravvivere : secondo rapporto al Club di Roma / Mihajlo Mesarovic, Eduard Pestel ; commento di Aurelio Peccei e Alexander King