SUBARDIN, Muhammad. VALUASI EKONOMI KAWASAN KONSERVASI (ILUSTRASI PENDEKATAN BIAYA PERJALANAN). Jurnal Ekonomi Pembangunan, [S. l.], v. 7, n. 2, p. 103–112, 2009. DOI: 10.29259/jep.v7i2.4880. Disponível em: https://jep.ejournal.unsri.ac.id/index.php/jep/article/view/4880. Acesso em: 6 oct. 2024.