S. D. G. T. M. Silva, D. D. G. L. Dahanayaka, and M. J. S. Wijeyaratne, “A remote sensing approach for assessing the invasion of Najas marina in Madu Ganga Estuary, Sri Lanka”, Intl. J. Aquat. Biol., vol. 8, no. 5, pp. 377–382, Oct. 2020.