Diaz, J. L., & Posadas, R. (2014). Assessment of the Industrial Technology Development Institute's (ITDI) Packaging Technology Division (PTD). University of the Philippines Diliman, Technology Management Center.
Chicago-referens (17:e uppl.)Diaz, Josefina L., och Roger Posadas. Assessment of the Industrial Technology Development Institute's (ITDI) Packaging Technology Division (PTD). Quezon City: University of the Philippines Diliman, Technology Management Center, 2014.
MLA-referens (9:e uppl.)Diaz, Josefina L., och Roger Posadas. Assessment of the Industrial Technology Development Institute's (ITDI) Packaging Technology Division (PTD). University of the Philippines Diliman, Technology Management Center, 2014.
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