Bambang Istijono, Abdul Hakam, and Taufika Ophiyandri. “INVESTIGATION OF THE EFFECTS OF PLANT VARIETY AND SOIL SEDIMENT TO THE COASTAL ABRASION IN WEST SUMATRA”. GEOMATE Journal, vol. 14, no. 44, Apr. 2018, pp. 52-57, https://geomatejournal.com/geomate/article/view/1821.