Budi, Gogot Setyo, Alvin Gilbert Tandiputra, and Haven Kusuma Markho. “The Correlation Between Penetration Pressure Required to Install Pile Foundation and to Insert Bi-Cones in Cone Penetration Test”. Civil Engineering Dimension 21, no. 1 (March 1, 2019): 13-18. Accessed March 29, 2024. https://ced.petra.ac.id/index.php/civ/article/view/21574.