(3JGQjN EUOGQ GdTjc h CgejJg GdJLGQjI h GdLRGFjg (B: s (3OQGSI JMdjdjg ebGQfI abgkG h bVGAkG h JTQjYkG (B/ s - (3UGdM, fGFd YHO GdQMefs ((3YeGf (B:s (3ecJHI OGQ GdKbGaI,s, 1995)
Keywords: (3GdLQjeIs; (3GdJRhjQs; (3GdeLQehfs