1.
Selim Taş, Sabahattin Deniz. Prediction Concerning the Learned Helplessness about Mathematics of the 8th Grade Students: Problem-Solving Skills and Cognitive Flexibility. TURCOMAT [Internet]. 2018 Dec. 17 [cited 2025 Oct. 13];9(3):618-35. Available from: https://turcomat.org/index.php/turkbilmat/article/view/189