(3adSaI GdJGQjN YfO GHf NdOhf (B/ s - (3RjfH GdNVjQis ([S.N] : (3OGQ GdKbGaI ddfTQ hGdJhRjY , s, 1988)
Keywords: (3GdadSaI GdGSdGejIs; (3GHf NdOhfs