Chaithaya Guntayuong และ Supaporn Chinchai. (2012) Determination of normative values of the developmental test of visual perception (DTVP-2) in Thai children. Chiang Mai University:ม.ป.ท.Chaithaya Guntayuong และ Supaporn Chinchai. 2012. Determination of normative values of the developmental test of visual perception (DTVP-2) in Thai children. ม.ป.ท.:Chiang Mai University;Chaithaya Guntayuong และ Supaporn Chinchai. Determination of normative values of the developmental test of visual perception (DTVP-2) in Thai children. ม.ป.ท.:Chiang Mai University, 2012. Print.