(3Gda djdI hdjdI (B/ s - (3GdTQcI GdYGdejI ddcJGHs ([S.N] : (3GdTQcI GdYGdejI ddcJGH T e d , s, 1990)
Keywords: (3GdahdcdhQs; (3GdSMQs; (3GdGSGWjQ GdYQHjIs; (3GdGOH GdTYHis; (3GdbUU GdNQGajIs; (3Gda djdI hdjdIs