(3MadGJ h CdYGH GdCWaGd (B: s (3cJGH ehShYj TGed jJfGhd MadGJ GdCWaGd h CdYGHge aj GdefRd (B/ s - (3fjchdShf, LQjSs; (3cQjTGf, hajbs ((3OeTb (B:s (3OGQ jYQH ddOQGSGJ h GdfTQ h GdJhRjY,s, 1990)
Keywords: (3CdYGH GdCWaGds; (3GdJSdjgs; (3GdCWaGds; (3GdJQajgs