Gouvea, G. de M. C., Souza, V. V. de, Cunha, G. de M., & Souza, T. da S. (2019). Effects of sewage sludge on the growth of coffea arabica seedlings and cell cycle of Allium cepa. Holos Environment, 19(4), 657–671. https://doi.org/10.14295/holos.v19i4.12357