ERKINBEK G.M.; KYRBASSOVA E.A. COGNITIVE DEVELOPMENT OF SCHOOLCHILDREN: THE INTERRELATIONSHIP BETWEEN BIOLOGICAL RHYTHMS AND VITAMINS. Foundations and Trends in Modern Learning, [S. l.], n. 11, 2025. Disponível em: https://ojs.scipub.de/index.php/FTML/article/view/7257. Acesso em: 17 may. 2026.