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Valentin Zelenyuk
Professor Valentin Zelenyuk
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ISBN-13
(ISBN-10)
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tion
other author(s)
Measurement of Productivity and Efficiency: Theory and Practice
978-1-1O7-O3616-1
(1-1O7-O3616-X)
2019
Robin C. Sickles
Valentin Zellweger