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Lua i Stíl Chicago (17ú heag.)Valdez, Rafael M. "The Hybrid Wind-diesel Technology: An Alternative Power Generation System, Its Techno-financial Implications to Selected NPC-SPUG Power Plants [dissertation Abstract]." Ad Veritatem 2011.
Lua MLA (9ú heag.)Valdez, Rafael M. "The Hybrid Wind-diesel Technology: An Alternative Power Generation System, Its Techno-financial Implications to Selected NPC-SPUG Power Plants [dissertation Abstract]." Ad Veritatem, 2011.
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