Weerawut Treerattrakul และ Kulpatra Sirodom. (2009) The effect of options introduction on underlying stocks further evidence from Hong Kong market. Thammasat University:ม.ป.ท.Weerawut Treerattrakul และ Kulpatra Sirodom. 2009. The effect of options introduction on underlying stocks further evidence from Hong Kong market. ม.ป.ท.:Thammasat University;Weerawut Treerattrakul และ Kulpatra Sirodom. The effect of options introduction on underlying stocks further evidence from Hong Kong market. ม.ป.ท.:Thammasat University, 2009. Print.