مقالة · مجلة · 2011

The Effect of Marketing Communications on the Sales Performance of Ghana Telecom (Vodafone, Ghana)

Nana Yaa Dufie Okyere, Gloria K.Q. Agyapong, Kwamena Minta Nyarku

International Journal of Marketing Studies

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اقرأه10.5539/ijms.v3n4p50