(3GdJCgjd GdELJeGYj aj GdeDSSGJ GdYbGHjI (B/ s - (3GdYhLj, eUWais ((3HjQhJ (B:s (3eDSSI HMShf,s, 1993)
Keywords: (3GdSLfGAs; (3GdSLfs; (3EUdGM GdSLhfs; (3SjchdhLjI GdSLhfs