APA-ийн эшлэл(7 дахь хэвлэлт)
Wagora, J. (2008). The relevance of outsourcing call center services in the telecommunication industry: A study of Celtel and Safaricom. Daystar University post graduate program.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Wagora, Jesse. The Relevance of Outsourcing Call Center Services in the Telecommunication Industry: A Study of Celtel and Safaricom. Nairobi: Daystar University post graduate program, 2008.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Wagora, Jesse. The Relevance of Outsourcing Call Center Services in the Telecommunication Industry: A Study of Celtel and Safaricom. Daystar University post graduate program, 2008.
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