Gonçalves, E. P., Paula, R. C. de, & Desmatlê, M. E. S. P. (2008). Tests of vigour in seeds of Guazuma ulmifolia Lam. Semina: Ciências Agrárias, 29(2), 265–276. https://doi.org/10.5433/1679-0359.2008v29n2p265