K. Sari, Putu Tantri, and Indrasurya B. Mochtar. “Causes of Landslides in Road Embankment With Retaining Wall and Pile Foundation: A Case Study of National Road Project in Porong-Sidoarjo, Indonesia”. International Journal on Advanced Science, Engineering and Information Technology 13, no. 1 (January 11, 2023): 42–48. Accessed July 3, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/16259.