32. http://www.articlesbase.com/environment-articles/wind-turbine-physics-factors-affecting-performance-1450642.html
http://www.alternative-energy-news.info/what-factors-affect-the-output-of-wind-turbines/
http://www.solarpowerwindenergy.org/2010/03/04/what-factors-affect-the-output-of-wind-turbines/
http://www.istockphoto.com/file_thumbview_approve/4912563/2/istockphoto_4912563-design-elements-wind.jpg
DEVI dịch nguyên văn từ bài của:
http://www.slideshare.net/windturbinesnet/factors-affecting-wind-turbine-
efficiency-7146602