(3eefhY GdJUGOe ddQHGHfg h VHGW GdedGMg (B: s (3Yf GdbhGYO GdOhdjI defY GdJUGOe aj GdHMGQ (B1972 (3h JYOjdGJgG (B1981/1991 / s - (3GdfGVhQj, MSf eMeOs ((3GdbGgQI (B:s (3GdCcGOjejg GdYQHjg ddfbd GdHMQj,s, 1995)
(3GdcJGH HGddZJjf GdYQHjg h GdEfLdjRjgs
Keywords: (3GdbGfhf GdHMQjs; (3Gdfbd GdHMQjs; (3GdEQTGOGJs