KUSWANDA, Wanda. VISITORS’ PERCEPTION TOWARDS INFRASTRUCTURE, ECOLOGICAL QUALITY AND THE WILLINGNESS TO PAY IN THE REGION OF ANECC IN AEK NAULI. Inovasi, [S. l.], v. 18, n. 1, p. 113–122, 2021. DOI: 10.33626/inovasi.v18i1.278. Disponível em: http://jurnal.bappelitbang.sumutprov.go.id/index.php/inovasi/article/view/278. Acesso em: 15 jun. 2025.