Sanchez-Moreira, Jaime, et al. “Quantification and Analytical Detection of Heavy Metals and Total Hydrocarbons, in Marine Sediment from Four Coastal Areas in the Province of Manabi”. Manglar, vol. 22, no. 4, Dec. 2025, pp. 479-86, https://doi.org/10.57188/manglar.2025.048.