Autor: John ballantyne, 2 titluri

CfE Advanced Higher Maths Student Book

Craig Lowther,John Ballantyne,Clare Ford,Monica Kirson,Deirdre Murray,Leckie

Fundamentals of General, Organic, and Biological Chemistry with MasteringChemistry, SI Edition

John E. Mcmurry,David S. Ballantine,Carl A. Hoeger,Virginia E. Peterson