(3ehShYI GdbVGA hGdabg ddOhd GdYQHjI(B/s - (3GdacgGfj,MSfs ((3HjQhJ(B[(3dHfGf(B]:s (3GdOGQ GdYQHjI ddehShYGJ GdbGfhfjI,s, 1978)
Keywords: (3GdbVGAs