M. V. W. Caldeira, M. Favalessa, E. de O. Gonçalves, W. M. Delarmelina, F. E. V. Santos, and M. Viera, “Based substrates of sewage sludge for the production of seedlings of Acacia mangium Wild”., Com. Sci., vol. 5, no. 1, pp. 34–43, Mar. 2014.