| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Business Chemistry: How to Build and Sustain Thriving Businesses in the Chemical Industry | 978-1-118-85849-3 (1-118-85849-2) | 2018 | Jens Leker · Carsten Gelhard |
| Business Chemistry: How to Build Thriving Businesses in the Chemical Industry | 978-1-118-85851-6 (1-118-85851-4) | 2017 | Jens Leker · Carsten Gelhard |