Vega-Corrales, Luis A., and Carolina Marín-Vindas. “Evaluation of Escherichia Coli Concentrations in Crassostrea Gigas and Seawater in Two Oyster Growing Areas in the Gulf of Nicoya, Costa Rica”.
Revista Ciencias Marinas Y Costeras, vol. 6, Oct. 2014, pp. 155-66,
https://doi.org/10.15359/revmar.6.11.