.(3MhGQ GdKbGaGJ hYTb GddZIs (3GMGOjK eY (B22 (3cGJHkG aQfchahfjkGs - .(3YGO, MfGfs; (3SdGeI, ZSGfs ((3HjQhJs (3OGQ GdfgGQ ddfTQs, 2001)
Keywords: (3GdJYOO GdacQjs -- (3dHfGfs; (3GdaQfchahfjIs