BROWNE, C.; CULLIGAN, B. Combining technology and IRT testing to build student knowledge of high-frequency vocabulary. The JALT CALL Journal, Melbourne, Australia, v. 4, n. 2, p. 3–16, 2008. DOI: 10.29140/jaltcall.v4n2.59. Disponível em: https://www.castledown.com.au/journals/jaltcall/article/view/jaltcall.v4n2.59. Acesso em: 22 sep. 2026.