(3GdBdgI hGdfGS ai eUQ (B: s (3ef (B300 (3bHd GdejdGO Gdi (B395(3ejdGOjG (B/ s - (3OhfGf, aQGfShGRs ((3GdbGgQI (B: s (3OGQ GdacQ ddOQGSGJ hGdfTQ hGdJhRjY , s, 1997)
Keywords: (3eUQ GdbOjeIs; (3GdGdhgjIs; (3GdGSGWjQ , Ydes; (3eUQ GdbOjeI (B- (3JGQjN (B- (3GdYUQ GdQheGfis; (3eUQ GdbOjeI (B- (3JGQjN (B- (3GdYUQ GdjhfGfis; (3GdGdhgjI (B- (3eUQ GdbOjeIs