ISBN:
0906055814 (9780906055816)
publisher: Wedc
publish date: January 15th 1994
format: paperback pages: 54
ISBN:
0906055318 (9780906055311)
publisher: ITDG Publishing
publish date: October 1st 2003
format: paperback pages: 256
language: English
ISBN:
1853395587 (9781853395581)
publisher: Wedc
publish date: January 15th 2005
format: paperback pages: 28
ISBN:
1843800934 (9781843800934)