(3GdfXQjI GdGbJUGOjI(B:s (3GdGbJUGO GdJMdjdi GdhMOis - (3fYeI Gddg fLjH GHQGgje s ((3GdGScfOQjI (B:s (3eDSSI THGH GdLGeYI ,s, 1981)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdGbJUGOs