MARTINEZ REINA, Antonio Maria, et al. “Cowpea Bean (Vigna unguiculata L. Walp): socioeconomic and technological perspective in the Colombian Caribbean: Economic and technological analysis of Caupí bean productio”. Ciencia y Agricultura, vol. 17, no. 2, May 2020, pp. 12-22, doi:10.19053/01228420.v17.n2.2020.10644.