(3cJH GdCOH h GdfbO Mhd GdCOH GdCWaGd (B/s - (3GdLhjfj, eUWai GdUGhi s ([(3Ohf ecGf(B] :s (3efTGI GdeYGQa ,s, 1986)
Keywords: (3GdCWaGd s; (3GdfbO s; (3GdCOH s; (3cJH s