Liu, L. C., Cibes-Viadé, H. R. and González-Ibáñez, J. (1970) “The Persistence of Atrazine, Ametryne, Prometryne, and Diuron in Soils Under Greenhouse Conditions”, The Journal of Agriculture of the University of Puerto Rico, 54(4), pp. 631–639. doi: 10.46429/jaupr.v54i4.10931.