Suhendra Gobel, Dumpira H, Pioh P. Evaluation of The Density of Class A Aggregate Foundation Layer Work With The Sand Cone Method On The Road Improvement Project of The East Tombatu Sub-District, Kapleng Road. Jurnal Pustaka Nusantara Multidisplin [Internet]. 2023 Dec. 19 [cited 2026 Oct. 15];1(4). Available from: https://journalpustaka.com/index.php/jpnm/article/view/79