(3QSGdI Edi Cgd GdKZQ (B/s - (3CHh GdMSf GdCTYQj, Ydj Hf ESeGYjd Hf ESMGb,s 260-324 (3gLQjG(B.s; (3GdLfjOj, YHO Gddg TGcQ eMeOs ((3HjQhJ (B:s (3eDSSI Ydhe GdbQBf,s, 1988)
Keywords: (3GdCTGYQI (B((3aQbI ESdGejI(B)s