Evaluation of Electrical Generation Systems with Solar Energy and Wind Energy at Phu Laen Kha National Park of Chaiyaphum Province. - Orrawan Rewthong; Usa Boonbumroong; Nitikorn Nanthawirojsiri; Kittithorn Buakhem; Busarin Eamthanakul; Somruedee Pongsena (IEEA, 2020)