Zamora, E. A. (2012). Cluster approach to industrial development. College of Business Administration, University of the Philippines.
Chicago-referens (17:e uppl.)Zamora, Elvira A. Cluster Approach to Industrial Development. Quezon City: College of Business Administration, University of the Philippines, 2012.
MLA-referens (9:e uppl.)Zamora, Elvira A. Cluster Approach to Industrial Development. College of Business Administration, University of the Philippines, 2012.
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