Betül Karakoç Alatlı, and Ömay Çokluk Bökeoğlu. “Investigation of Measurement Invariance Of Literacy Tests In The Programme For International Student Assessment (PISA-2012)”. Elementary Education Online, vol. 17, no. 2, Dec. 2023, pp. 1096-15, https://ilkogretim-online.org./index.php/pub/article/view/683.