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<xml><bibliography><APA>Phaphithoun Pangnada และ Surachai Chaitusaney. (2015) Modeling and Effect Analysis of Tilt and Azimuth Angles for Rooftop Photovoltaic  Arrays. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Phaphithoun Pangnada และ Surachai Chaitusaney. 2015. Modeling and Effect Analysis of Tilt and Azimuth Angles for Rooftop Photovoltaic  Arrays. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Phaphithoun Pangnada และ Surachai Chaitusaney.  Modeling and Effect Analysis of Tilt and Azimuth Angles for Rooftop Photovoltaic  Arrays.  ม.ป.ท.:Chulalongkorn University, 2015. Print.</MLA></bibliography></xml>
