Achicanoy Ch., Jerson, Jorge Navia E., and Carlos Betancourth G. “Population Dynamics of Free-Living Nematodes Populationsunder Different Soil Uses and Management”. Revista de Ciencias Agrícolas 29, no. 2 (February 27, 2013): 26-38. Accessed October 22, 2019. http://revistas.udenar.edu.co/index.php/rfacia/article/view/454.