(3Gdaf hGdJUhQ GdeGOj ddJGQjN (B/ s - (3HdjNGfha, LhQL, s; (3WQGHjTj, LhQL, s ((3HjQhJ(B[(3dHfGf(B] : s (3OGQ GdWdjYI ddWHGYI hGdfTQ, s, 1977)
(3jJVef GQLGYGJ HjHdhLQGajI(B.s
(3GdcJGH eJQLe(B.s
Keywords: (3Gdaf s -- (3adSaIs