Costa DRM da, Sousa AF de, Rocha DC da C, Silva LCA da, Silva E de M dos S, Vale MP do, Sousa RN de, Oliveira LGF de, Neto GL de O, Oliveira E do N de, Santos F de S, Macedo GAR de. OBMEP in numbers: A quantitative analysis of the awards of schools in Piauí. Editora [Internet]. 2024 May 13 [cited 2024 Oct. 6];:275-89. Available from: https://sevenpublicacoes.com.br/editora/article/view/4378