Martínez-Mera, Eliana, et al. “Allelopathic Effects of Aqueous Extracts of the Legumes Crotalaria [Crotalaria Juncea (L.) ’Tropic Sun’], Jack Bean [Canavalia Ensiformis (L.)] and Pigeon Pea [Cajanus Cajan (L.) ’Lázaro’] on Crop Development”. The Journal of Agriculture of the University of Puerto Rico, vol. 100, no. 1, Jan. 2016, pp. 71-82, doi:10.46429/jaupr.v100i1.8687.