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A contribution to the economic and historical debate on social classes: an empirical investigation of the productive and unproductive labour categories in Greece from 1987 to 2020
Economic well-being in the United States: How much improvement--Fifty years of US income data from the current population survey: Alternatives, trends, and quality
Techniques of Institutional Research and Long Range Planning for Colleges and Universities, Volume I: Enrollment Projections, Induced Course Load Matrix, Faculty Planning.