(3cJH GdaQGTI (B: (3GdCTLGQ (B/ s - (3GMeO Tajb GdNWjHs ((3HjQhJ (B: s (3ecJHI dHfGf , s, 1990)
Keywords: (3GdGTLGQs; (3cJH GdGWaGds; (3GdeYGQa GdYGeIs