(3GdCeQGV GdfaSjI(B-(3LSOjI (B:s (3CeQGV GdYUQ (B/s - (3GdRQGO, ajUd eMeO NjQs ((3HjQhJ (B:s (3OGQ GdfaGFS,s, 2000)
(3edGMb (B: (3U(B. 540-546.s
(3jTJed Ydi bGFeI eUWdMGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3HHdjhLQGajI (B: (3U(B. 510-522.s
Keywords: (3GdCeQGV GdfaSjIs; (3GdYdGL GdfaSjs; (3Yde GdfaS GdeQVjs; (3GdUMI GdfaSjIs