ERNY, Erny; TRISNAWATI, Lisa. Penyelidikan Lapisan Tanah dengan Alat Sondir (Cone Penetration Test) dan Auger Boring (Hand Boring) (Studi Kasus: Dinas Pekerjaan Umum dan Tata Ruang di Kabupaten Indragiri Hulu). Innovative: Journal Of Social Science Research, [S. l.], v. 4, n. 1, p. 1271–1281, 2024. DOI: 10.31004/innovative.v4i1.7779. Disponível em: http://j-innovative.org/index.php/Innovative/article/view/7779. Acesso em: 21 jun. 2026.