PASARIBU, Astrella Dianyi; ZULIAN, Ibnu. Paradiplomasi Pemda Sumut terhadap Yunnan China dalam Pembangunan Kek Sei Mangkei. Innovative: Journal Of Social Science Research, [S. l.], v. 4, n. 4, p. 13125–13136, 2024. DOI: 10.31004/innovative.v4i4.14634. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/14634. Acesso em: 9 jun. 2026.