Punguzo la Ziada la 95% Ukitumia Msimbo Huu wa Vocha
Praha: Grada Publishing kama v Mladen Velev Marketing Communications, 2001 vi Philip Kotler, Gary Armstrong, Kanuni za Masoko Toleo la 14, 2011 vii Julia Uzunova, Usimamizi wa Masoko katika makampuni ya biashara, 1992 viii Philip Kotler, Kevin Lane Keller, Usimamizi wa Masoko, 14th 2012 ix Dimitar Doganov, Ferenc Palfi, Kutangaza kama ...
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