García-Rojas, Andrea, and Hannia Vega-Bolaños. “Seasonal Changes of Phytoplankton in the Paquera-Tambor Marine Area for Responsible Fishing, Gulf of Nicoya, Costa Rica”. Revista Ciencias Marinas Y Costeras, vol. 8, no. 2, Oct. 2016, pp. 29-45, https://doi.org/10.15359/revmar.8-2.2.