(3HWdGf YbGFO GdTjYI hHjGf RjZ eYJfbjgG heaJQjGJge Ydi GdESdGe ef eQGLYge GdCSGSjI (B/s - (3GdJhfShj, eMeO YHO GdSJGQs ((3ecI GdecQeI (B:s (3GdecJHI GdEeOGOjI ,s, 1988)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdTjYI (B((3aQbI ESdGejI(B)s