@book{3209,
	author = {Mason, Linda,},
	title = {Mastering Mathematics for WJEC GCSE :},
	publisher = {Hodder Education,},
	year = {2015.},
	address = {London, England :},
	url = {https://ebookcentral.proquest.com/lib/nrc-ebooks/detail.action?docID=4093293}
}