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Lua i Stíl Chicago (17ú heag.).Powers, David R., Mary F. .Powers, agus Frederick Betz. Higher Education in Partnership with Industry: Opportunities and Strategies for Training, Research, and Economic Development. San Francisco: Jossey-Bass, 1988.
Lua MLA (9ú heag.).Powers, David R., et al. Higher Education in Partnership with Industry: Opportunities and Strategies for Training, Research, and Economic Development. Jossey-Bass, 1988.
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