(3Gdbje h GdYGOGJ GdGLJeGYjI (B:s (3eY HMK ejOGfj dHYV GdYGOGJ GdGLJeGYjI (B/s - (3ahRjI, OjGHs ((3HjQhJ (B:s (3OGQ GdfgVI GdYQHjI ,s, 1980)
Keywords: (3GdGSQIs; (3GdYGOGJ GdGLJeGYjI s; (3Gdbje s