E. G. Gonzales-Condori, C. Choquenaira-Quispe, y S. A. Ramírez-Revilla, «STUDY OF THE DEGRADATION OF CHLORPYRIFOS IN CONTAMINATED SOILS IN THE PRESENCE OF THE RED CALIFORNIA EARTHWORM Eisenia foetida», REV INT CONTAM AMBIENT, vol. 36, n.º 1, pp. 73–80, ene. 2020.