(3GdTQcGJ GdfaWjI GdYGdejI (B/ s - (3QTGO egOi gGTe (B((3eJQLe(B)s; (3ajL, ejdGs; (3HdhTGQs ([S.N] : (3LGeYI GdehUd , s, 1985)
Keywords: (3GdHJQhds; (3GdJfbjH Yf GdGKGQs; (3GdJfbjH Yf GdHJQhds