(3GdGfeGA GdJQHhj aj dHfGf eMGVQI GdbGgG GdOcJhQ LhQL GdeQ HOYhI ef eLdS cSQhGf GdKbGaj (B- 21 (3BPGQ (B1980s - (3GdeQ, LhQLs; (3GdeQcR GdJQHhj ddHMhK hGdGfeGAs ((3Sf Gdajds (3GdeQcR GdJQHhj ddHMhK hGdGfeGAs, 1980)
Keywords: (3GdJQHjI hGdJYdje (B- (3eMGVQI (B- (3GdGfeGA GdJQHhj (B- (3dHfGf s; (3eMGVQI (B- (3GdGfeGA GdJQHhj (B- (3dHfGfs