Raya, D. E. A. (2010). Strategic and operational issues in the Philippine palm oil industry. College of Business Administration, University of the Philippines.
Chicago Style (17. basım) AtıfRaya, Danilo Erwin A. Strategic and Operational Issues in the Philippine Palm Oil Industry. Quezon City: College of Business Administration, University of the Philippines, 2010.
MLA (9th ed.) AtıfRaya, Danilo Erwin A. Strategic and Operational Issues in the Philippine Palm Oil Industry. College of Business Administration, University of the Philippines, 2010.
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