Kuswanda, W. . and Barus, S. P. . (2017) “Keanekaragaman dan Penetapan ‘Umbrella Species’ Satwa liar Di Taman Nasional Gunung Leuser”, Jurnal Penelitian Kehutanan Wallacea, 6(2), pp. 113-123. doi: 10.18330/jwallacea.2017.vol6iss2pp113-123.