Dela Peña, F. T. (1981). A framework for the organization of research and development activities in engineering and related fields. Philippine Engineering Journal.
Citace podle Chicago (17th ed.)Dela Peña, Fortunato T. "A Framework for the Organization of Research and Development Activities in Engineering and Related Fields." Philippine Engineering Journal 1981.
Citace podle MLA (9th ed.)Dela Peña, Fortunato T. "A Framework for the Organization of Research and Development Activities in Engineering and Related Fields." Philippine Engineering Journal, 1981.
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