(3cJGH GSQGQ GdHdGZI (B/ s - (3eMehO eMeO TGcQs; (3GdLQLGfi(B, (3GHh HcQ YHO GdbGgQ Hs ([S.N] : (3OGQ GdeOfi ddWHGYI hGdfTQ hGdKbGaI , s, 1991)
Keywords: (3GdGOH GdYQHis; (3GddZI GdYQHjIs; (3GdHdGZI GdYQHjIs