Douglass, Clyde Michael, The Political economy of regional integration the central plains of Thailand, 1855-1980 by Clyde Michael Douglass. - Los Angeles, Calif. University of California 1982. - xv, 357 pages : illustration ; 21 cm. Thesis (Ph.D.) - University of California, 1982 Subjects--Topical Terms: Regional economic disparitiesRegional planning--Thailand Subjects--Geographic Terms: Thailand--Economic conditions--Regional disparities