Sun X, Sailer M, Schlag R. The Impact of Epistemological Beliefs and Achievement Motivation on Learning Outcomes and Academic Self-Efficacy in Education. International Journal of Instruction [Internet]. 2026 Apr. 1 [cited 2026 Apr. 5];19(2):1-16. Available from: https://e-iji.net/ats/index.php/pub/article/view/886