Nugroho, A. W. ., Mukhlisi and Atmoko, T. . (2019) “Efforts to improve ecotourism management for bekantan conservation from visitors’ perspectives: a case study in Balikpapan East Kalimantan”, Jurnal Penelitian Kehutanan Wallacea, 8(1), pp. 57-69. doi: 10.18330/jwallacea.2019.vol8iss1pp57-69.