(3SjQI h efGbH YeQ Hf YHO GdYRjR GdNdjag GdRGgO (B/ s - (3GHf GdLhRj, CHh GdaQL YHO GdQMef Hf Ydjs; (3GdLejdj, GdSjOs ((3HjQhJ (B:s (3ecJHI GdgdGd,s, 1997)
Keywords: (3GdJQGLes; (3NdGaI YeQ Hf YHO GdYRjR (B720-717s