1.
Elosua Oliden P, Mujika Lizaso J. Invariance levels across language versions of the PISA 2009 reading comprehension tests in Spain. PST [Internet]. 2013 Dec. 31 [cited 2024 May 19];25(NĂºmero 3):390-5. Available from: https://reunido.uniovi.es/index.php/PST/article/view/10043