Pham Duc Hieu. (2013). Problems and conflicts in managing. Philippine Management Review.
Lua i Stíl Chicago (17ú heag.)Pham Duc Hieu. "Problems and Conflicts in Managing." Philippine Management Review 2013.
Lua MLA (9ú heag.)Pham Duc Hieu. "Problems and Conflicts in Managing." Philippine Management Review, 2013.
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