Lavor, A. A. A. de, and L. Turatti. “IFCE-CAMPUS IGUATU’S PUBLIC PROCUREMENTS: ANALYSIS FROM THE PERSPECTIVE OF SUSTAINABILITY”. Revista Brasileira De Ciências Ambientais (RBCIAMB), no. 51, July 2019, pp. 41-61, doi:10.5327/Z2176-947820190386.