(3cJGH GddeY aj GdYQHjI (B/ s - (3Hf Lfj, CHh GdaJM YKeGfs; (3aGQS, aGFRs ((3GQHO (B:s (3OGQ GdCed ddfTQ hGdJhRjY (B- (3ecJHI GdcfOj,s, 1988)
Keywords: (3GddZI GdYQHjIs; (3bhGYO GddZIs; (3Yde GdUQas