Mantolino, Martin Antonio. 4 0

THE EFFECTIVENESS OF PROMOTING PUERTO PRINCESA SUBTERRANEAN UNDERGROUND RIVER AS ONE OF THE NEW SEVEN WONDERS OF NATURE THROUGH FREQUENTLY USED SOCIAL MEDIA / 6 6 Martin Antonio Mantolino. - - - 43p. 28cm. - - - - - . - . - 0 . - . - 0 .

Thesis (Undergradaute) Pamantasan ng Lungsod ng Maynila 2013.;College of Tourism Hotel and Travel Industry Management.





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