(3ehShYI eUWdMGJ GdceHjhJQ (B/ s - (3eMehO GdTQjas ([S.N] : (3GdOGQ GdOhdjI ddfTQ hGdJhRjY , s, 1990)
Keywords: (3ehShYGJs; (3GdMGSHGJ GdGdcJQhfjIs