T. E. A. Soares, D. J. M. Soares, and W. dos Santos, “Educational quality and teaching work: a comparative analysis of six South American countries based on Pisa 2022”, Rev. Sítio Novo, vol. 10, p. e1992, Mar. 2026, doi: 10.47236/2594-7036.2026.v10.1992.