P. K. Francis, A. Estim, and M. J. Sidik, “Oil and Grease Pollution in the West Coast of Sabah and Water Quality Index for the Conservation of Marine Biota: 10.32526/ennrj/22/20230314”, Environ. Nat. Resour. J., vol. 22, no. 4, pp. 321–334, Jun. 2024.