(3bUI GdadSaI ef GadGWhf Gdi Lhf Ojhj (B:s (3MjGI hGQGA GYGXe QLGd GdadSaI aj GdYGde (B/s - (3OjhQGfJ , hd,s; (3GdeTYTY , aJM Gddg eMeO s ((3HjQhJ,dHfGf(B:s (3ecJHI GdeYGQa,s, 1979)
Keywords: (3GdadSaI GdZQHjI GdbOjeIs