Worasan Passayawon. (1991) The study of the impact of economic changes on the industrial injuries during 1980-1984 : an input-output modelling approach. Mahidol University,:ม.ป.ท.Worasan Passayawon. 1991. The study of the impact of economic changes on the industrial injuries during 1980-1984 : an input-output modelling approach. ม.ป.ท.:Mahidol University,;Worasan Passayawon. The study of the impact of economic changes on the industrial injuries during 1980-1984 : an input-output modelling approach. ม.ป.ท.:Mahidol University, 1991. Print.