HARDIAN CAHYA NINGRUM. ANALISIS WILLINGNESS TO PAY PENGGUNA HIPPAM CANGAR TERHADAP MATA AIR GEMULO. Jurnal Ekonomi dan Pembangunan, [S. l.], v. 25, n. 2, p. 115–125, 2025. DOI: 10.14203/JEP.25.2.2017.115-125. Disponível em: https://ejournal.brin.go.id/JEP/article/view/11987. Acesso em: 6 dec. 2025.