2015. The Detection of the parasite Cryptosporidium sp. in Lissachatina fulica snails at the provinces of Guayas and Los Ríos, Ecuador. Revista Científica Ciencias Naturales y Ambientales. 9, 1 (Jun. 2015), 4. DOI:https://doi.org/10.53591/cna.v9i1.232.