OGUNSAJU, S. (2007). Case studies for effective management. Clean Print Publishers.
Lua i Stíl Chicago (17ú heag.)OGUNSAJU, Segun. Case Studies for Effective Management. Clean Print Publishers, 2007.
Lua MLA (9ú heag.)OGUNSAJU, Segun. Case Studies for Effective Management. Clean Print Publishers, 2007.
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