Heck Ronald H. Introduction to multilevel modeling techniques Heck Ronald H.; Thomas Scott L. - 3rd - New York Routledge 2015 - xviii;440p. cm. ISBN: 4268.9099999999999 Standard No.: 128462 Source: 265, 16/02/2016, Classic Book Service Textual Subjects--Topical Terms: Financial Studies Dewey Class. No.: Sigma:f, Q5