Mutya, R. F. A. (2009). Business management and organization: Functions and principles. National Book Store.
Chicago-viite (17. p.)Mutya, Ruby F. Alminar. Business Management and Organization: Functions and Principles. Mandaluyong City: National Book Store, 2009.
MLA-viite (9. p.)Mutya, Ruby F. Alminar. Business Management and Organization: Functions and Principles. National Book Store, 2009.
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