Olago, S. (1997). Breaking into the 21st century: A business guide for Kenyans. Covenant.
Chicago-čujuhus (17. p.)Olago, Sam. Breaking into the 21st Century: A Business Guide for Kenyans. Nairobi: Covenant, 1997.
MLA-čujuhus (9. p.)Olago, Sam. Breaking into the 21st Century: A Business Guide for Kenyans. Covenant, 1997.
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