Examination and Comparison of the Tasks Related to the Era of Dualism in the Hungarian Language Textbooks of History Used in Slovakia and Hungary in 2022. R&E-SOURCE [Internet]. 2023 Jun. 15 [cited 2024 Nov. 21];(s1):160-72. Available from: https://journal.ph-noe.ac.at/index.php/resource/article/view/1200