(3Yde GLJeGY GdYbGH (B/s - (3GdSeGdhWj, fHjd(B.s ((3LOI, GdSYhOjI (B:s (3OGQ GdTQhb ddfTQ hGdJhRjY hGdWHGYI,s, 1983)
(3L(B. 1. (3GdeaGgje(B-(3GdhXGFa(B-(3GdCSGdjH(B--(3L(B. 2. (3fXQjGJ GdYbGH hGdOaGY GdGLJeGYj(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdYbhHGJs -- (3LhGfH GLJeGYjIs