Credits and collections, management and theory [by] Theodore N. Beckman [and] Ronald S. FosterTheodore Naum Beckman · First published 1969Open the Tome
Marketing by Theodore N. Beckman and William R. Davidson with the assistance of James F. EngelTheodore Naum Beckman · First published 1967Open the Tome
Credits and collections in theory and practiceTheodore Naum Beckman · First published 1924Open the Tome
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