(3GdMeGjI GdLfGFjI dHWGbI GdhaGA(B:s (3OQGSI ebGQfI(B/s - (3YeQ SGdes ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 1995)
(3jJVef bGFeI eQGLYs
Keywords: (3GdbGfhf GdLfGFi(B.s; (3GdMeGjI GdLfGFjI ddMjGRIs