EN 1303 [documento eletrónico] : building hardware; : cylinders for locks; : requirements and test methods / European Committee for Standardization
NP EN ISO 14001 [documento eletrónico] : sistemas de gestão ambiental; : requisitos e linhas de orientação para a sua utilização (ISO 14001:2015) / Instituto Português da Qualidade
ISO/IEC 17021-1 [documento eletrónico] : conformity assessment - requirements for bodies providing audit and certification of management systems - Part 1; : requirements / International Organization for Standardization
ISO/IEC 27006 [documento eletrónico] : information technology; : security techniques; : requirements for bodies providing audit and certification of information security management systems