Choczyński M. The cognitive interests and achievements of teenagers in secondary education – complementing the research findings of Janusz Mariański and comparison with data on the academic young. ucs [Internet]. 2022 Jun. 30 [cited 2024 Oct. 2];29(1):75-87. Available from: https://czasopisma.uksw.edu.pl/index.php/ucs/article/view/10426