Pawinee Wongkrajang และผู้แต่งคนอื่นๆ. (2011) Knowledge, attitude, practice and eye problems from contact lens use in students at Chulalongkorn University 2010. Chulalongkorn University:ม.ป.ท.Pawinee Wongkrajang และผู้แต่งคนอื่นๆ. 2011. Knowledge, attitude, practice and eye problems from contact lens use in students at Chulalongkorn University 2010. ม.ป.ท.:Chulalongkorn University;Pawinee Wongkrajang และผู้แต่งคนอื่นๆ. Knowledge, attitude, practice and eye problems from contact lens use in students at Chulalongkorn University 2010. ม.ป.ท.:Chulalongkorn University, 2011. Print.