López, J. C., J. C. Moyano, A. Riofrío, R. Quinteros, and P. R. Marini. “Parasites in Cattle in the Ecuadorian Amazon”. Asian Journal of Agriculture and Food Sciences, vol. 4, no. 6, Dec. 2016, https://www.ajouronline.com/index.php/AJAFS/article/view/3955.