Lugo-López, M. A., R. Pérez-Escolar, and R. del Valle. “WINGED BEANS AS A POTENTIAL FOOD AND GREEN MANURE CROP UNDER CONDITIONS IN PUERTO RICO”. The Journal of Agriculture of the University of Puerto Rico, vol. 65, no. 1, Jan. 1981, pp. 75-78, doi:10.46429/jaupr.v65i1.7567.