(3cJGH GdJhGHjf (B/s - (3GHf bOGeI, YHO Gddg Hf CMeO,s 541-620 (3g`(B.s; (3GdCQfGDhW, YHO GdbGOQ,s 1338-1425 (3g`(B.s ((3HjQhJ (B- (3dHfGf(B:s (3ecJHI GdeDjO,s, 1994)
Keywords: (3GdJhHI s; (3hYX hGQTGO s