GRICIUS, A. Some key moments in developing technical playing skills. Psichologija, [S. l.], v. 6, p. 31–42, 1964. DOI: 10.15388/Psichol.1964.6.8898. Disponível em: https://test.zurnalai.vu.lt/psichologija/article/view/8898. Acesso em: 25 oct. 2025.