WIDIYASTUTIK, Eka; NUGROHO, Bramasto; KARTODIHARDJO, Hariadi. Nilai Manfaat Total Gerhan di Sub DAS Tirto Jawa Tengah. Jurnal Manajemen Hutan Tropika, Bogor, INA, v. 16, n. 1, p. 36–40, 2011. Disponível em: https://journal.ipb.ac.id/jmht/article/view/3223. Acesso em: 13 jan. 2026.