Vijayaraghavan, K., J. Raj Jegan, K. Palanivelu, and M. Velan. “Copper Removal from Aqueous Solution by Marine Green Alga Ulva Reticulata”. Electronic Journal of Biotechnology, vol. 7, no. 1, Apr. 2004, pp. 0-0, https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v7n1-4.