Higher Pledger, Keith author. text Electronic books. enk 2015 2015 monographic eng 1 online resource (601 pages) : illustrations (some color), tables, graphs, photographs Keith Pledger [and eight others]. Mathematics Problems, exercises, etc QA43 .M378 2015 510.076 London, [England] : Hodder Education : Dynamic Learning, c2015 xi, 588 pages 9781471856174 (e-book) https://ebookcentral.proquest.com/lib/nrc-ebooks/detail.action?docID=4397852 https://ebookcentral.proquest.com/lib/nrc-ebooks/detail.action?docID=4397852 MiAaPQ 160401 20260910090736.0 EBC4397852 eng