(3GjQGf Hjf GdCeS h Gdjhe (B:s (3bQGI LOjOI dQMdI GHf HWhWI (B/s - (3GdJGRj , YHO GdgGOj s ([(3Ohf ecGf(B] :s (3GdeYgO GdLGeYj ddHMK GdYdej ,s, 1984)
Keywords: (3GdCeSs; (3Gdjhe s; (3GjQGf s