Zobel de Ayala II, J. A. (2003). The challenges and opportunities in the Philippine Services Sector. SGV Review.
Chicago-viite (17. p.)Zobel de Ayala II, Jaime Augusto. "The Challenges and Opportunities in the Philippine Services Sector." SGV Review 2003.
MLA-viite (9. p.)Zobel de Ayala II, Jaime Augusto. "The Challenges and Opportunities in the Philippine Services Sector." SGV Review, 2003.
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