SOEDOMO, Sudarsono. Internalizing Externalities through Payments for Environmental Services. Jurnal Manajemen Hutan Tropika, Bogor, INA, v. 18, n. 2, p. 138–143, 2012. Disponível em: https://journal.ipb.ac.id/jmht/article/view/6059. Acesso em: 28 mar. 2026.