(3MOK PGJ djdI (B/ s - (3eMehO GdHOhis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1985)
Keywords: (3GdGOH GdYQHis; (3GdbUU GdYQHjIs; (3GdeLehYGJs