(3eSJbHd GdbGfhf GdOhdi hGdSjGSI GdNGQLjI GdGeQjcjI (B/ s - (3Hhjd, aQGfSjS GfJhfis; (3eQcR OQGSGJ GdYGde GdGSdGei(B((3eJs ([S.N] : (3eQcR OQGSGJ GdYGde GdGSdGei , s, 1993)
Keywords: (3GdbGfhf GdOhdis; (3GdhdGjGJ GdeJMOI GdGeQjcjIs; (3GdSjGSI GdNGQLjIs; (3MQH GdNdjLs