Siriporn Sasimontonkul. (1993) Correlation of psychomotor speed and physical performance of skilled and non skilled athletes training in different sports. Mahidol University,:ม.ป.ท.Siriporn Sasimontonkul. 1993. Correlation of psychomotor speed and physical performance of skilled and non skilled athletes training in different sports. ม.ป.ท.:Mahidol University,;Siriporn Sasimontonkul. Correlation of psychomotor speed and physical performance of skilled and non skilled athletes training in different sports. ม.ป.ท.:Mahidol University, 1993. Print.