(3JLGQH YdejI eSdjI aj GdCMjGA (B/s - (3OGQ GdQTjO ddWHGYI hGdfTQ (B((3OeTb(B).s (3bSe GdJCdja hGdJQLeIs ((3OeTb (B:s (3OGQ GdQTjO ddWHGYI hGdfTQ,s, 1990)
(3NdaGf(B.s
Keywords: (3GdYdhes -- (3JLGQHs; (3Yde GdCMjGAs -- (3JLGQHs