Choosing Reading Passages for Vocabulary Learning by Topic to Increase Intrinsic Motivation. - Michael Heilman; Alan Juffs; Maxine Eskénazi (AIED, 2007)

Personalization of Reading Passages Improves Vocabulary Acquisition. - Michael Heilman; Kevyn Collins-Thompson; Jamie Callan; Maxine Eskénazi; Alan Juffs; Lois Wilson (Int. J. Artif. Intell. Educ., 2010)

Accurate Measurement of Lexical Sophistication in ESL with Reference to Learner Data. - Ben Naismith; Na-Rae Han; Alan Juffs; Brianna Hill; Daniel Zheng (EDM, 2018)