(3dGFMI eMahXGJ GdMcheI hGdbGfhf Qbe (B121 (3dSfI (B1975 :s (3HTCf GdeMGaXI Ydi GdhKGFb GdQSejI ddOhdI hJfXje CSdhH fTQgG (B/s - (3eUQ(B.s ((3GdbGgQI (B:s (3GdgjFI GdYGeI dTFhf GdeWGHY GdCejQjI,s, 1994)
Keywords: (3JTQjYGJ hbhGfjfs; (3eMahXGJ GdMcheI(B.s