(3JGQjN GdJTQjY GdGSdGei (B/ s - (3eMeO GdNVQis ([S.N] : (3OGQ GdcJH GdYdejI ddfTQ hGdJhRjY , s, 1988)
Keywords: (3JGQjNs; (3GdGSdGes; (3GdTQjYI GdGSdGejIs; (3GdJTQjY GdGSdGeis