Chawika Traisiwakul และ Suchitra Sueeprasan. (2011) Changes of colour appearance due to changes of shape of colour sample and background colour. Chulalongkorn University:ม.ป.ท.Chawika Traisiwakul และ Suchitra Sueeprasan. 2011. Changes of colour appearance due to changes of shape of colour sample and background colour. ม.ป.ท.:Chulalongkorn University;Chawika Traisiwakul และ Suchitra Sueeprasan. Changes of colour appearance due to changes of shape of colour sample and background colour. ม.ป.ท.:Chulalongkorn University, 2011. Print.