(3TQM GdSfI (B/ s - (3GHi eMeO GdMSjf Hf eSYhO GdHZhs; (3YGOd GMeO YHOGdehLhOs; (3Ydi eMeO eYhVs ([S.N] : (3OGQ GdcJH GdYdejI ddfTQ hGdJhRjY , s, 1992)
Keywords: (3JaGSjQs; (3GdSfI GdfHhjIs