(3OjhGf GdJgGei (B/ s - e; (3YWhi, Ydi fLjHs ((3HjQhJ (B((3dHfGf(B) :s (3OGQ hecJHI GdgdGd, s, 1986)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
(3O(B. (3LGHQ YUahQ ;s
Keywords: (3GdTYQ GdYQHis -- (3OhGhjf hbUGFOs; (3GdTYQ GdYQHis -- (3GdYUQ GdYHGSis