(3GdMaGX Ydi GdJQGK GdeYeGQjGdESdGej (B: s (3CYeGd h JhUjGJ h HMhK eDJeQ GdMaGX Ydi GdJQGK (B/ s - (3eDJeQ GdMaGX Ydi GJQGK GdMVGQj GdESdGej aj GdeOf (B(1985 :(3ESWfHhd (B)s ((3GdQjGV (B:s (3GdeYgO GdYQHj dEfeGA GdeOf,s, 1989)
Keywords: (3GdYeGQIs; (3GdYeGQI GdESdGejIs; (3GdHdOGf GdYQHjIs; (3GdeDJeQGJs