“Penentuan Bidang Gelincir  Berdasarkan Pengukuran Data Kekar Di Kelurahan Graha Indah Kecamatan Balikpapan Utara Kota Balikpapan”. Jurnal Penelitian Teknik 2, no. 1 (July 2, 2025): 9–16. Accessed September 21, 2026. https://journal.lp3ktk.com/index.php/jpt/article/view/99.