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Lua i Stíl Chicago (17ú heag.)Kay, Thelma. Group Cohesion and Productivity Among Dockworkers--a Study of Stevedores in Singapore. [Singapore]: Dept. of Sociology, University of Singapore, 1973.
Lua MLA (8ú heag.)Kay, Thelma. Group Cohesion and Productivity Among Dockworkers--a Study of Stevedores in Singapore. Dept. of Sociology, University of Singapore, 1973.
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