Fernandez, R. A. (2005). Ulang has good business potentials - BFAR study. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Fernandez, Rudy A. "Ulang Has Good Business Potentials - BFAR Study." Philippine Star 2005.
Lua MLA (9ú heag.)Fernandez, Rudy A. "Ulang Has Good Business Potentials - BFAR Study." Philippine Star, 2005.
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