Bonomo, Robson, et al. “IRRIGATED ARABICA COFFEE TREE PRODUCTIVITY IN THE CERRADO AREA OF THE GOIÁS STATE, BRAZIL”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 38, no. 4, Nov. 2008, pp. 233-40, https://doi.org/10.5216/pat.v38i4.3314.