Chanyarin Somporn และ Amnouy Kamtuo. (2011) Influence of shading on growth, yield and some quality characters of Coffea arabira L.cv.Catimor /. Khon Kaen University,:ม.ป.ท.Chanyarin Somporn และ Amnouy Kamtuo. 2011. Influence of shading on growth, yield and some quality characters of Coffea arabira L.cv.Catimor /. ม.ป.ท.:Khon Kaen University,;Chanyarin Somporn และ Amnouy Kamtuo. Influence of shading on growth, yield and some quality characters of Coffea arabira L.cv.Catimor /. ม.ป.ท.:Khon Kaen University, 2011. Print.