(3JYdjb Ydi Mce GdeMceI GdOSJhQjI GdYdjG HYOe OSJhQjI GdbGfhf Qbe (B153 (3dSfI (B1999 (3HEUOGQ bGfhf GdLeYjGJ hGdeDSSGJ GdCgdjI (B/s - (3UHQj eMeO GdSfhSjs; (3LGeYI GdbGgQIs (3cdjI GdMbhbs ((3GdbGgQI(B:s (3cdjI GdMbhb(B-(3LGeYI GdbGgQI,s, 2000)
1
Keywords: (3GdbGfhf GdYGes; (3GdbhGfjf GdecedI ddOSJhQ s; (3GKQ GdMce HYOe GdOSJhQjIs; (3bGfhf GdLeYjGJ hGdeDSSGJ GdGgdjIs; (3Mb Jchjf GdLeYjGJs; (3efXeGJ GdeLJeY GdeOfjs; (3Mb GdGLJeGYs