BATUBARA, Septina P; GULTOM, Elisabeth S.; SIANTURI, Donacia F. Sejarah Perkembangan Pelabuhan Belawan, 1950-1990. Innovative: Journal Of Social Science Research, [S. l.], v. 4, n. 4, p. 9829–9839, 2024. DOI: 10.31004/innovative.v4i4.12773. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/12773. Acesso em: 29 apr. 2026.