(3GdMeb hGdLfhf ai GdJQGK GdYQHi ef GdLGgdjI Gdi fgGjI GdbQf GdQGHY (B/ s - (3GMeO GdNUNhUs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1992)
Keywords: (3GdGOH GdYQHis; (3GdYUQ GdLGgdis; (3JGQjN hfbOs