A. Vranić, M. Popović Stijačić, and M. Martinčević, “Brain-train apps: Testing the efficacy of two applications for cognitive enhancement”, in 23rd Psychology Days in Zadar: Book of Selected Proceedings, I. Tucak Junaković, Ed. Morepress Books, 2024, pp. 81–88. Accessed: Jul. 23, 2026. Available: https://testmorepress.unizd.hr/books/index.php/press/catalog/book/121/chapter/601