Sukarmi, Sefri, Rahmat Djamluddin, and Astiah Amir. “ANALISIS KEPADATAN LAPIS PONDASI KELAS B MENGGUNAKAN METODE SAND CONE AASHTO 191-96 (Studi Kasus Peningkatan Struktur Jalan Kabu Tunong-Cot Gud)”. Journal of Civil Engineering 17, no. 1 (February 28, 2023): 7–10. Accessed September 11, 2025. http://114.6.41.75/index.php/PROKONS/article/view/5397.