Pribadi, C., and T. Hariyanto. “The Evaluation of the Physical Condition in Coastal Area As a Result of Changes of Suspended Sediment (Case Study: Coastal Area of Surabaya and Gresik)”. International Journal of Geoinformatics, vol. 15, no. 3, Sept. 2019, pp. 81-90, https://journals.sfu.ca/ijg/index.php/journal/article/view/1859.