Trubina I, Sīle M, Vaļēviča E, Voita D. Computerized Attention Training Program and Vocal Ensemble Classes – means of Adolescent Attention Focusing Ability Development. SIE [Internet]. 2015 Jul. 24 [cited 2024 May 6];2:507-18. Available from: https://journals.ru.lv/index.php/SIE/article/view/645