OLKUN, Sinan, Arif Altun, Sakine Göçer Şahin, and Galip Kaya. “Psychometric Properties of a Screening Tool for Elementary School Student’s Math Learning Disorder Risk”. International Journal of Learning, Teaching and Educational Research 15, no. 12 (November 30, 2016): 48–66. Accessed January 12, 2026. http://ijlter.myres.net/index.php/ijlter/article/view/863.