(3eMGSHI GdJcGdja GdUfGYjI (B/ s - (3GdCNQS, YGWa YHO SdjeGfs ((3YeGf (B:s (3GdCgdjI ddfTQ h GdJhRjY,s, 1991)
Keywords: (3GdeMGSHIs; (3eMGSHI GdJcGdjas