(3CUhd GdVYas (3OQGSI aj Gdejd GdYQHj GdeTJQcs - (3SYjO, Ydj cQjes ((3OeTbs [(3O(B. (3f(B]s, 1992)
3
Keywords: (3GdYGde GdYQHjs -- (3GdCMhGd GdSjGSjIs