Saipin Prasertsukdee. (1992) Interobserver and test-retest item reliability of motor screening of infant test. Mahidol University,:ม.ป.ท.Saipin Prasertsukdee. 1992. Interobserver and test-retest item reliability of motor screening of infant test. ม.ป.ท.:Mahidol University,;Saipin Prasertsukdee. Interobserver and test-retest item reliability of motor screening of infant test. ม.ป.ท.:Mahidol University, 1992. Print.