Porterfield,, Shirley Lynn Potentially exportable services in regional economic development : an empirical comparison of survey data from manufacturing and service-producing firms / Shirley Lynn Porterfield

Potentially exportable services in regional economic development : an empirical comparison of survey data from manufacturing and service-producing firms / Shirley Lynn Porterfield . - Michigan : U.M.I., 1990 . - IX, 204 p. 20 cm . -
Dissert. "Doctor of Philosophy", University of Wisconsin-Madison
330.191.4