MANULLANG, Daniel Pradipta; SITUMORANG, Rappel. ANALISIS PENYEBARAN INTRUSI AIR LAUT TERHADAP AIR SUMUR GALI DESA SIKAPAS KABUPATEN MANDAILING NATAL. EINSTEIN (e-Journal), [S. l.], v. 11, n. 3, p. 182–189, 2023. DOI: 10.24114/eins.v11i3.32496. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/32496. Acesso em: 12 oct. 2025.