VILLAO, M. D. L.; PONCE, J. L. A. Concentration Techniques in the Classroom for Children with ADHD, in an Educational Unit in the Province of Santa Elena. South Eastern European Journal of Public Health, [S. l.], p. 639–649, 2024. DOI: 10.70135/seejph.vi.1235. Disponível em: https://seejph.com/index.php/seejph/article/view/1235. Acesso em: 21 apr. 2026.