Sari, L. K., L. Adrianto, K. Soewardi, A. S. Atmadipoera, and E. Hilmi. “Total Economic Value of Segara Anakan Lagoon Area”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 31, no. 2, Jan. 2017, pp. 108-25, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6004.