(3MjGI SYO Hf GHi hbGU HWd GdbGOSjI (B/ s - (3eMehO TdHis ((3HjQhJ (B:s (3OGQ GdLjd,s, 1990)
Keywords: (3GdGSdGes; (3GdUMGHIs; (3SYO Hf GHi hbGUs