HARAHAP, N.; SILABAN, D. K.; SITUMORANG, H. N. The Influence of the Number of Tourist Visits on Regional Original Income (PAD) in the Tourism Sector in Deli Serdang District, 2020–2024. International Journal of Sustainable Competitiveness on Tourism, [S. l.], v. 5, n. 01, p. 65–77, 2026. DOI: 10.34013/ijscot.v5i01.2507. Disponível em: https://journal.poltekpar-nhi.ac.id/index.php/ijscot/article/view/2507. Acesso em: 7 may. 2026.