Mercurio, R. PLDT boosts fiber optic link in typhoon-prone provinces. IN Business. The Philippine Star.
Chicago-referens (17:e uppl.)Mercurio, Richmond. "PLDT Boosts Fiber Optic Link in Typhoon-prone Provinces. IN Business." The Philippine Star .
MLA-referens (9:e uppl.)Mercurio, Richmond. "PLDT Boosts Fiber Optic Link in Typhoon-prone Provinces. IN Business." The Philippine Star, .
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