THE EFFECTIVENESS OF PROMOTING PUERTO PRINCESA SUBTERRANEAN UNDERGROUND RIVER AS ONE OF THE NEW SEVEN WONDERS OF NATURE THROUGH FREQUENTLY USED SOCIAL MEDIA / 6
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Martin Antonio Mantolino.
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- 43p. 28cm.
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Thesis (Undergradaute) Pamantasan ng Lungsod ng Maynila 2013.;College of Tourism Hotel and Travel Industry Management.