(3GdeLJeY GdeOfi hGdJMhd GdOjehbQGWi ai GdhWf GdYQHi (B: (3GdJbQjQ GdSfhi (B/ s - (3SYOGdOjf GHQGgjes ([S.N] : (3eQcR GHf NdOhf ddOQGSGJ GdGfeGFjI , s, 1993)
Keywords: (3GdYGde GdYQHis; (3GdeLJeYs; (3GdGMhGd GdSjGSjIs; (3GdOjebQGWjIs