Boonchai Waleetorncheepsawat และผู้แต่งคนอื่นๆ. (2012) Legibility of printed small-sized Thai characters under different illumination by means of cataract experiencing goggles. Chulalongkorn University:ม.ป.ท.Boonchai Waleetorncheepsawat และผู้แต่งคนอื่นๆ. 2012. Legibility of printed small-sized Thai characters under different illumination by means of cataract experiencing goggles. ม.ป.ท.:Chulalongkorn University;Boonchai Waleetorncheepsawat และผู้แต่งคนอื่นๆ. Legibility of printed small-sized Thai characters under different illumination by means of cataract experiencing goggles. ม.ป.ท.:Chulalongkorn University, 2012. Print.