(3GdJfXejGJ GdELJeGYjI h GdEbJUGOjI aj GdHUQI aj GdbQf GdChd GdgLQj (B/ s - (3GdYdj, UGdM CMeOs ((3HjQhJ (B:s (3OGQ GdWdjYI,s, 1969)
Keywords: (3JGQjN GdYQHs; (3GdCehjhfs