(3COdI GdJTQjY GdeNJda aj GdGMJLGL HgG (B:s (3GdbjGS, GdGSJMSGf, GdGSJUdGM, GdGSJUMGH (B/s - (3GdQHjYI , YHO GdYRjR Hf YHO GdQMef Hf Ydjs ((3GdQjGV (B:s (3OGQ GdQjGV,s, 1981)
(3HHdjhLQGajI (B: (3U(B. 313-324.s
Keywords: (3CUhd Gdabg GdESdGejs -- (3eUGOQ GdJTQjY s; (3GdbjGS (B((3CUhd abg(B)s; (3GdGSJMSGf (B((3CUhd abg(B)s; (3GdGSJUMGH (B((3CUhd abg(B)s