Influence of foreign trade on the level and growth of national income of Ceylon, 1926-57. - Rasaputram, W. (Warnasena), 1927- ([Colombo] Central Bank of Ceylon, 1964)
"This thesis was submitted to the University of Wisconsin as a partial fulfillment of the degree of the Ph. D. degree."
Bibliography: p. [178]-187.
Keywords: Sri Lanka -- Commerce; National income -- Sri Lanka