Quality management - customer satisfaction - guidelines for complaints handling in organizations 质量管理.客户满意度.组织对投诉处理指南
3.
Certificate iso 10002 2004 quality management - customer satisfaction - guidelines for complaints handling in organizations certification Iso 10002 2004品质管理-客户满意-投诉处理指南标准证书
4.
Certificate iso 10002 2004 quality management - customer satisfacttion - guildlines for complaints handling in organizations certification Iso 10002 2004品质管理-客户满意-投诉处理指南标准证书