(3eJMa GdMbjbI eJMa GdNjGd (B: s (3SjGMGJ acQjI aj CbGdje Gdaf (B/ s - (3GdQGhj, fhQjs ((3HZOGO (B:s (3OGQ GdTDhf GdKbGajI GdYGeI,s, 1997)
Keywords: (3GdQSes; (3GdQSGehfs; (3Gdafhf GdJTcjdjIs