R. E. A. Santos, G. F. da Silva, J. O. Santos, J. R. de Santana, and C. M. B. da Cruz, “Projects developed with resources of the CT-PETRO sector fund in the north, northeast and central-west regions”, Int J Innov Educ Res, vol. 9, no. 7, pp. 305–322, Jul. 2021, doi: 10.31686/ijier.vol9.iss7.3253.