(3GjGe ReGf GdJGQjN GdTahi ddCQOf hadSWjf (B/ s - (3WdYJ TfGYIs; (3WGgQ GdeUQi (B((3JbOje(B)s ([S.N] : (3GdGgdjI ddfTQ hGdJhRjY , s, 1993)
Keywords: (3GdYGOGJ hGdJbGdjOs; (3adSWjfs; (3GdePcQGJs; (3GdGQOfs