HERNÁNDEZ-GRAGEDA, N. Improvement of academic performance by studying in pairs: an analysis under incomplete information about academic skills . Panorama Económico, [S. l.], v. 14, n. 27, p. 91–108, 2025. DOI: 10.29201/peipn.v14i27.358. Disponível em: https://www.revistapanoramaeconomico.mx/index.php/PE/article/view/358. Acesso em: 15 dic. 2025.