Hansen, Malene, 		Wahyudi, Hariyawan, 		Supriyanto, Supriyanto, AND 		Damanik, Anida.
" The interactions between long-tailed macaques (Macaca fascicularis) and tourists in Baluran National Park, Indonesia" <em>Journal of Indonesian Natural History</em> [Online], Volume 3 Number 2 (31 December 2015)