Ledda, V. M. (2012). AEC 2015: Issues and challenges in standards and conformance. Philippine Journal of Development.
Dyfyniad Arddull ChicagoLedda, Veredigna M. "AEC 2015: Issues and Challenges in Standards and Conformance." Philippine Journal of Development 2012.
Dyfyniad MLALedda, Veredigna M. "AEC 2015: Issues and Challenges in Standards and Conformance." Philippine Journal of Development, 2012.
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