Pasqualetto, Antônio, et al. “BEHAVIOR OF SHORT CYCLE RICE CULTIVARS (Oryza Sativa L.) UNDER ZINC SULPHATE DOSES”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 29, no. 2, Dec. 2007, pp. 135-9, https://doi.org/10.5216/pat.v29i2.2863.