SHALA, Arif; GRAJCEVCI, Albulene; LATIFI, Fadil. Does Socioeconomic Status Influence Achievement? An analysis of the Performance of Kosovar Students on the 2015 and 2018 PISA Assessment. Journal of Elementary Education, [S. l.], v. 14, n. 4, p. 393–408, 2021. DOI: 10.18690/rei.14.4.393-408.2021. Disponível em: https://journals.um.si/index.php/education/article/view/1615. Acesso em: 15 dec. 2025.