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ISBN-13: 9781510474314, 978-1510474314. Theory of Knowledge for the IB Diploma Fourth Edition Author(s): Carolyn P. Henly, John Sprague. - Guide students by helping them examine the nature of knowledge and their own status as a knower.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.