(3GdSHGMI GdJfGaSjI(B:s (3GSS GdJOQjH GdeGFj hGdGQVj(B/s - (3Ydj eMeO Rcjs; (3GdeGLO, SdjeGfs ((3HOhf ecGf(B:s (3OGQ GdacQ GdYQHj,s, 1983)
(3GdfSNI GdKGfjI ef GdcJGH eSJfSNI hQbj(B.s
Keywords: (3GdSHGMIs; (3GdQjGVI GdeGFjIs