Source: http://www.odha-ni.org/system/files_force/Convenio%20sobre%20la%20protecci%C3%B3n%20del%20derecho%20de%20sindicaci%C3%B3n%20y%20los%20procedimientos%20para%20determinar%20las%20condciones%20de%20empleo%20en%20la%20administraci%C3%B3n%20p%C3%BAblica.pdf