(3GdeScQGJ (B/ s - (3eMeO CMeO aQL GdSfghQj(B.s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1978)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdJTQjYGJ GdeJYdbI HGdeNOQGJ(B.s; (3GdbGfhf GdLfGFj(B.s