Perrett, H., & Lethem, F. J. (1980). Human factors in project work. World Bank.
Chicago Style (17th ed.) CitationPerrett, Heli, and Francis J. Lethem. Human Factors in Project Work. Washington, D.C: World Bank, 1980.
MLA (9th ed.) CitationPerrett, Heli, and Francis J. Lethem. Human Factors in Project Work. World Bank, 1980.
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