5Glasmeier, A., Howland, M. Ser- vice- led Rural Development: Definitions Theories and Empirical Evidence. Interna- tional Regional Science Review, 1994 (16).
6Glenn Ellison, Edward L. Glaeser, & William R. Kerr. What Causes Industry Agglomeration?Evidence from Coagglomeration Patterns [J] . American Eco- nomic Review, 2010(100).