(3LQjeI JYGWj GdeNOQGJ aj GdbGfhf GdebGQf(B.s (3GdLRA GdKGfj (B/ s - (3eMeO aJMj YjO(B.s ((3GdQjGV (B: s (3GdeQcR GdYQHj ddOQSGJ GdCefjI hGdJOQjH,s, 1988)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdJTQjYGJ GdeJYdbI HGdeNOQGJ(B.s