(3GdhLg GdZGFH (B/ s - (3eUWai fGUas ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1993)
Keywords: (3GdGSdhH GdGOHis; (3GdHdGZI GdYQHjIs; (3GdhUa GdGOHis; (3GdeYGfis; (3GdHjGfs