Alchin, Nicholas Theory of knowledge for the IB diploma : teaching for success Nicholas Alchin & Carolyn P. Henly - 3rd.ed. - London : Hodder Education ; 2014. - viii, 427p. ; ill. col. : 25cm. Includes : Index ISBN: 9781471804151 Subjects--Topical Terms: Critical thinking Dewey Class. No.: 121 / ALC