(3MhGQ GdQDjI eONd Gdi JPhb Gdaf hGdJLQHI GdLeGdjI (B/ s - (3aNQi Ndjd (B((3eJQLe(B)s; (3fhHdQ (B, (3fGKGfs; (3LHQG GHQGgje LHQG (B((3eQGLY(B)s ((3HjQhJ (B: s (3GdeDSSI GdYQHjI ddOQGSGJ hGdfTQ , s, 1992)
Keywords: (3GdadSaIs; (3Gdafs; (3GdJPhb Gdafis