E. B. Valdetaro, M. L. M. da S. Binoti, D. Brianezi, and L. A. G. Jacovine, “Diagnosis of environmental marketing goods and services in the forestry sector”, Pesq. flor. bras., vol. 32, no. 70, p. 221, Jun. 2012, doi: 10.4336/2012.pfb.32.70.105.