(3fgL ef Wad Gdi Wad aj GdJQHjI GdUMjI (B2 : s (3cJGH GdGfTWI (B/ s - (3HhfGJi ZQGRjfGs ((3HjQhJ (B: s (3hQTI GdehGQO GdYQHjI , s, 1997)
Keywords: (3GdGWaGds; (3JYdje GdGWaGds; (3GdGWaGd (B- (3JOQjHs