Román, J., D. Oramas, and J. Green. “Nematicide Evaluation for the Control of the Nematodes of Yam (Dioscorea Rotundata Poir)”. The Journal of Agriculture of the University of Puerto Rico, vol. 68, no. 2, Apr. 1984, pp. 157-62, doi:10.46429/jaupr.v68i2.7273.