(3GdefGRd hGdOjGQ (B/ s - (3GSGeI Hf efbPs; (3eUWai MLGRi s ((3GdchjJ (B:s (3OGQ SYGO GdUHGM ,s, 1992)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdGOHs; (3TYQ GdQKGAs; (3GdTYQs; (3GdeLehYGJs