(3Yde faS GddYH aj eQMdI eG bHd GdeOQSI (B/s - (3WjHI, haGA eMehO s ((3GdQjGV (B:s (3OGQ GdgOi ddfTQ hGdJhRjY ,s, 1998)
(3HHdjhLQGajI (B: (3UaMI (B149-156.s
Keywords: (3dYH GdCWaGds -- (3LhGfH faSjIs; (3CWaGd eG bHd GdeOQSIs