R, Kusmiadi, et al. “PENAMBAHAN GEDEBONG PISANG PADA KOMPOS BULU AYAM DENGAN BERBAGAI JENIS AKTIVATOR: Addition of Banana Trunk in Chicken Feathers Compost With Some Activator Types”. Enviagro: Jurnal Pertanian Dan Lingkungan, vol. 8, no. 1, Aug. 2018, pp. 19-30, https://journal.ubb.ac.id/index.php/enviagro/article/view/315.