Armstrong Michael. (2009). How to be an even better manager/7e (7th ed.). Kogan page.
Chicago Stili AlıntıArmstrong Michael. How to Be an Even Better Manager/7e. 7th ed. New Delhi: Kogan page, 2009.
MLA AlıntıArmstrong Michael. How to Be an Even Better Manager/7e. 7th ed. Kogan page, 2009.
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