(3GdJQGK hGdMOGKI(B: (3OQGSGJ hefGbTGJ (B/ s - (3eMeO YGHO GdLGHQis ([S.N] : (3GdeQcR GdKbGai GdYQHi , s, 1991)
Keywords: (3GdadSaI GdGSdGejIs; (3GdJQGKs; (3GdadSaI GdMOjKIs; (3GdKbGaI GdYQHjIs; (3GdadSaI GdGNdGbjIs