(3eHGOiA GdEMUGA hCSGdjH GdJMdjd GdEMUGFj (B/s - (3GdcfOQj, YHO Gddg QeVGf s ((3GdchjJ (B:s [(3Ohf fGTQ(B] (3,s, 1985)
Keywords: (3GdJMdjd GdEMUGFjs; (3GdEMUGAs