Marton F, Pang MF. Meanings are acquired from experiencing differences against a background of sameness, rather than from experiencing sameness against a background of difference: Putting a conjecture to the test by embedding it in a pedagogical tool. FLR [Internet]. 2013 Aug. 23 [cited 2024 Apr. 24];1(1):24-41. Available from: https://journals.sfu.ca/flr/index.php/journal/article/view/16