F. Almeida do Carmo, G. . S. Silva, R. C. S. Freire, A. F. Lavareda Jacob Junior, and F. Manoel Franca Lobato, “Concentration and Diversity in Collaboration Networks in Electrical Engineering: Evidence from Brazilian Researchers”, IEEE LAT AM T, vol. 24, no. 5, pp. 456–464, Apr. 2026.