Costa, T.J.O., Rodrigues, R.L. and Falcão, T.P. 2026. Infrastructure as Active Mediation: Techno-pedagogical Ecosystems and Teacher Technology Appropriation in Pernambuco State Educational System. Journal of the Brazilian Computer Society. 32, 1 (May 2026), 1428–1456. DOI:https://doi.org/10.5753/jbcs.2026.6979.