| Energy for the Coming Decades: Trends and Technologies Provider: videolectures.net Language: English |
| Oil, Security, Environment, Technology - The Segway Alternative Provider: videolectures.net Language: English |
| The Art of Insight in Science and Engineering: Mastering Complexity Provider: mit opencourseware Language: English |
| Environmental Science Provider: ecampusontario open library Language: English |
| D.lgs. 3 aprile 2006, n. 152 (Codice dell'ambiente) Provider: university of bologna digital library Language: Italian |
| Sustainable Economic Development Provider: mit opencourseware Language: English |
| Sustainability: A Comprehensive Foundation Provider: ecampusontario open library Language: English |
| TextBook: Good Agricultural Practices for greenhouse vegetable crops - FAO-ISHS Provider: university of bologna digital library Language: English |
| System of National Accounts 2008 Provider: university of bologna digital library Language: English |
| paper Getty valuation Provider: university of bologna digital library Language: English |