Widiyastutik, Eka, Bramasto Nugroho, and Hariadi Kartodihardjo. 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.