(3CQHM GdHVGYI aj eYJbO Cgd GdSfI hGdLeGYI (B/s - (3GdMGRej, EHQGgje Hf YHO Gddg ehSi,s 1384 (3gLQj(B-s ((3GdQjGV (B:s (3OGQ GdTQja ddfTQ hGdJhRjY,s, 1993)
Keywords: (3Yde GdcdGes; (3GdLfIs; (3GdKhGH hGdYbGHs