Widiyastutik, E., Nugroho, B., & Kartodihardjo, H. (2011). Nilai Manfaat Total Gerhan di Sub DAS Tirto Jawa Tengah. Jurnal Manajemen Hutan Tropika, 16(1), 36-40. https://journal.ipb.ac.id/jmht/article/view/3223