| http://www.w3.org/ns/prov#value | - by NateD26 ?? Sat Jun 04, 2011 8:13 pm I have seen parts of the workbook of vol.1 and, although it can help, it is not all that necessary.If you can afford the teacher's book in addition to vol.2 (vol.1 is mostly not needed for your level),I am sure that can only make things easier.Good luck with your studies!
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