(3GdJQHjI GdeOfjI chSjdI ddhbGjI ef GdGfMQGa (B/s - (3GdYhLj, eUWais ((3GdQjGV (B:s (3GdeQcR GdYQHj ddOQGSGJ GdCefjI hGdJOQjH,s, 1985)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3ecGaMI GdLQjeIs; (3GdLQjeI hGdeLQehfs -- (3LhGfH GLJeGYjIs