(3GdfU GdCOHj ddCWaGd (B. :s (3CgOGag (B/s - (3CHh GdQVG , SYOs ([(3Ohf ecGf(B] :s (3efTGI GdeYGQa ,s, 1994)
Keywords: (3CWaGd (B.s; (3GdCOHj s; (3GdfU s