Kijja Hutayon. (1988) A study on the design and construction of the clinical electroretinograph. Mahidol University,:ม.ป.ท.Kijja Hutayon. 1988. A study on the design and construction of the clinical electroretinograph. ม.ป.ท.:Mahidol University,;Kijja Hutayon. A study on the design and construction of the clinical electroretinograph. ม.ป.ท.:Mahidol University, 1988. Print.