(3GSJbdGd GdbVGA (B/ s - (3aGQhb GdcjdGfjs ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI, s, 1977)
(3jhLO GSJOQGc HHYV GdCNWGA PcQgG GdcGJH aj GNQ UaMI ef GdcJGH(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdSdWI GdbVGFjIs; (3GdbGfhf GdOSJhQis