(3Yf GdYQhHI hGdGSdGe (B/ s - (3YUeJ Sja GdOhdIs; (3eQcR OQGSGJ GdhMOI GdYQHjIs ([S.N] : (3OGQ GdHQGb ddfTQ , s, 1990)
Keywords: (3GdGSdGe hGdeLJeYs; (3GdhWf GdYQHis; (3GdbhejI GdYQHjIs; (3GdeLJeY GdYQHis; (3GdGSdGe hGdSjGSIs