共 13 条
[8]
Explaining the demand for producer services: Is cost-driven externalization the major factor?[J] . William B. Beyers,David P. Lindahl.Papers in Regional Science . 1996 (3)
[9]
Producer services and regional development: A policy-oriented prespective[J] . William J. Coffey,Mario Polèse.Papers of the Regional Science Association . 1989 (1)
[10]
Export services in postindustrial society[J] . William B. Beyers,Michael J. Alvine.Papers of the Regional Science Association . 1985 (1)