V. G. Pereira, M. de S. Pereira, T. P. Brito, A. L. V. Goulart, and S. B. Pereira, “Economic expressions in open-air fairs: vendors’ profiles and perspectives”, nupem, vol. 15, no. 35, pp. 205–225, Jun. 2023, doi: 10.33871/nupem.2023.15.35.205-225.