Cedeño-Maldonado, A., L. C. Liu, and L. Delgado. “EFFECT OF PHOTOSYNTHETIC INHIBITOR HERBICIDES ON NITRATE REDUCTASE ACTIVITY OF NON-TARGET SPECIES”. The Journal of Agriculture of the University of Puerto Rico, vol. 63, no. 3, July 1979, pp. 412-4, doi:10.46429/jaupr.v63i3.10300.