(3GdeHGOF GdYGeI aj GdfXGe GdSjGSj GdGSdGej (B:s (3bhGYOg GdGSGSjI heUGOQg hGdSdWGJ GdYGeI ajg, OQGSI ebGQfI HGdfXe GdeYGUQI (B/s - (3eMeO eMeO ESeGYjd aQMGJs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1991)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdGSdGe hGdSjGSIs