Abdul Kader, Fathi Abdul Hamid, and Mourad Ali Eissa. “Measuring Test Anxiety In Students Aged 10-17 Years in Egypt: Factor Analysis and Psychometric Properties”. Psycho-Educational Research Reviews, vol. 3, no. 3, Dec. 2014, pp. 102-9, https://www.perrjournal.com/index.php/perrjournal/article/view/350.