MIZIUK, M.I.; SUSLYK, Z.B.; YEREMCHUK, Ya.O. Peculiarities of mental efficiency and progress of higher grades students began studying at the age of six and seven. Environment & Health, Kyiv, Ukraine, v. 85, n. 1, p. 73–76, 2018. DOI: 10.32402/dovkil2018.01.073. Disponível em: https://dovkil-zdorov.kiev.ua/journal/article/view/442. Acesso em: 26 aug. 2026.