Moraes, Maria Joselma de, Delly Oliveira filho, José Helvécio Martins, e Luiz Carlos dos Santos. 2013. “ELECTRIC SIGNALS AS A TOOL FOR SEPARATION OF EARTHWORMS (Eisenia fœtida) FROM HUMUS”. Revista Engenharia Na Agricultura - REVENG 21 (6):527-38. https://doi.org/10.13083/reveng.v21i6.411.