Fernandes, J. B., Holanda, J. S. de, Simplício, A. A., Neto, F. B., Torres, J., & Neto, J. R. (2014). Environment adaptability and yield stability of cowpea cultivars in Rio Grande do Norte state, northeastern Brazil. Pesquisa Agropecuaria Brasileira, 25(11), 1555–1560. https://doi.org/10.1590/S1678-3921.pab1990.v25.13686