(3JGedGJ ai YPhHI Gdchf (B/ s - (3GMeO HgLJs ([S.N] : (3GdRgQGA ddGYdGe GdYQHi , s, 1989)
Keywords: (3JUha GSdGeis; (3GdGQVs; (3GdJCeds; (3Gdchfs; (3GdNdbs; (3GdchfjGJs