(3GdbhejI ai ehSjbi GdbQf GdYTQjf (B((3YGde GdeYQaI (B162) / s - (3SeMI GdNhdis ([S.N] : (3GdeLdS GdhWfi ddKbGaI hGdafhf hGdGOGH , s, 1992)
Keywords: (3GdehSjbis; (3GdbhejIs; (3GdYGdes; (3GdbQf GdYTQjfs