Wionczek, M.S. 1970. James D. Cochrane. The politics of regional interaction : the Central American case. New Orleans : Tulane University, 1969. xx, 225 p. David R. Ramsett. Regional industrial development in Central America (a case study of the integration industries scheme). New York : Frederick A. Praeger Publishers, 1969. xvi, 130 p. Foro Internacional. 11, 1 (jul. 1970), 99–100.