(3MQH GdNdjL(B: (3GhgGe GdbhI hGdfUQ (B/ s - (3eMeO MSfjf gjcds ([S.N] : (3eQcR GdGgQGe ddJQLeI hGdfTQ , s, 1992)
Keywords: (3GdYGde GdYQHis; (3GdGMhGd GdSjGSjIs; (3GdSjGSI GdOhdjIs; (3GdYdGbGJ GdNGQLjIs; (3MQH GdNdjLs