(3JQGKfG GdfbOi(B: (3OQGSI ai cJGH GdhSGWI ddbGVi GdLQLGfi (B/ s - (3GdSjO aVds ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1987)
Keywords: (3GdGOH GdYQHis; (3JGQjN hfbOs; (3GdeLehYGJs