Worasan Passayawon. 1991. The study of the impact of economic changes on the industrial injuries during 1980-1984 : an input-output modelling approach. Faculty of Graduate Studies, Mahidol University;

Worasan Passayawon. The study of the impact of economic changes on the industrial injuries during 1980-1984 : an input-output modelling approach. . Bangkok:Mahidol University, 1991.

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/Bangkok.