DIN SPEC 77007 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN CEN/TS 16880 ; DIN SPEC 77880:2016-03 | 2016-03 | Service excellence - Creating outstanding customer experiences through service excellence More |
| DIN EN ISO 9000 | 2015-11 | Quality management systems - Fundamentals and vocabulary (ISO 9000:2015); German and English version EN ISO 9000:2015 More |
| DIN SPEC 77224 | 2011-07 | Achieving Customer Delight Through Service Excellence More |
