Lawrence, Snezana (July 2006), "Maths is good for you: web-based history of mathematics resources for young mathematicians (and their teachers)", BSHM Bulletin: Journal of the British Society for the History of Mathematics, 21 (2), Informa {UK} Limited: 90–96, doi:10.1080/17498430600803375, S2CID122851275
Lawrence, Snezana (July 2006), "Maths is good for you: web-based history of mathematics resources for young mathematicians (and their teachers)", BSHM Bulletin: Journal of the British Society for the History of Mathematics, 21 (2), Informa {UK} Limited: 90–96, doi:10.1080/17498430600803375, S2CID122851275