E Richard Cohen, Tom Cvitas, Jeremy G Frey, "Quantities, Units and Symbols in Physical Chemistry" English | 2007 | ISBN: 0854044337 | PDF | pages: 240 | 4,6 mb
IB English A: Language and Literature IB English A: Language and Literature Course Book, 2nd Edition by Brian Chanen, Robert Allison 2019 | ISBN: 0198434529 | English | 400 pages | PDF | 179 MB
Paul La Rondie, "Oxford IB Diploma Programme IB Mathematics: analysis and approaches, Standard Level, Print and Enhanced Online Course" English | ISBN: 0198427107 | 2019 | 672 pages | PDF | 238 MB