Irizarry, Héber, and Edmundo Rivera. 1997. “YIELD OF DIAMANTE AND KINABAYO YAM CULTIVARS GROWN WITH AND WITHOUT VINE SUPPORT ON AN ULTISOL”. The Journal of Agriculture of the University of Puerto Rico 81 (1-2):67-69. https://doi.org/10.46429/jaupr.v81i1-2.3676.