(3cJGH GdTaGA aj HOjY GdEcJaGA (B/ s - (3GdfhGLj, TeS GdOjfs; (3CHh fGLj, eMehO MSfs ((3HjQhJ (B:s (3OGQ ecJHI GdMjGI,s, 1983)
Keywords: (3GddZI GdYQHjIs; (3GdHdGZIs; (3GdHOjYs