(3eONd Gdi GdTYQ GdYQHi GdMOjK OQGSI fbOjI (B/ s - (3fRjQ GdYXeIs ([S.N] : (3GdfGOi GdGOHi GdKbGai , s, 1988)
Keywords: (3GdTYQ GdYQHis; (3JGQjN hfbOs