(3af GdEQTGO GdfaSj GdSQjQj (B((3GdEcdjfcj(B) (3GdMOjK GdeNJUQ (B/s - (3GdMLGQ, eMeO MeOjs ((3GdQjGV (B:s (3GdeQcR GdYQHj ddOQGSGJ GdCefjI hGdJOQjH,s, 1993)
(3HHdjhLQGajI (B: (3U(B. 228.s
Keywords: (3GdEQTGO GdfaSjs; (3GdYdGL GdfaSjs