80,08€(IVA inc.)
21st century learning for 21st century skills: 7th European Conference on Technology Enhanced Learning, EC-TEL 2012, Saarbrücken, Germany, September 18-21, 2012, Proceedings
- Ravenscroft, Andrew
- 978-3-642-33262-3
- 2012-08-13
45,70€(IVA inc.)
Arsenic pollution: a global synthesis
- Ravenscroft, Peter
- 978-1-4051-8601-8
- 2009-02-13
84,90€(IVA inc.)
Arsenic pollution: a global synthesis
- Ravenscroft, Peter
- 978-1-4051-8602-5
- 2009-02-13
