de Araújo, P. S. R., de Oliveira, F. J., & Costa, M. C. B. (1991). Preliminary evaluation of seed germination of winged bean and yam bean varieties. Pesquisa Agropecuaria Brasileira, 26(6), 857–861. https://doi.org/10.1590/S1678-3921.pab1991.v26.3415