| Distribution and conservation status of the orang-utan (Pongo spp.) on Borneo and Sumatra: how many remain? SA Wich, E Meijaard, AJ Marshall, S Husson, M Ancrenaz, RC Lacy, ... Oryx 42 (3), 329-339, 2008 | 262 | 2008 |
| Hominid dietary selection before fire [and Comments and Reply] AB Stahl, RIM Dunbar, K Homewood, F Ikawa-Smith, A Kortlandt, ... Current Anthropology 25 (2), 151-168, 1984 | 211 | 1984 |
| Gibbon systematics JT Marshall Systematics, evolution, and anatomy, 1986 | 179 | 1986 |
| Ecological constraints on the grouping of wild orang-utans (Pongo pygmaeus) in the Gunung Leuser National Park, Sumatra, Indonesia J Sugardjito, IJA Te Boekhorst, J Van Hooff International Journal of Primatology 8 (1), 17-41, 1987 | 131 | 1987 |
| Pongo pygmaeus M Ancrenaz IUCN 2009, 2008 | 103 | 2008 |
| Habitat destruction and poaching threaten the Sumatran tiger in Kerinci Seblat National Park, Sumatra M Linkie, DJ Martyr, J Holden, A Yanuar, AT Hartana, J Sugardjito, ... Oryx 37 (1), 41-48, 2003 | 99 | 2003 |
| Drainage and land use impacts on changes in selected peat properties and peat degradation in West Kalimantan Province, Indonesia GZ Anshari, M Afifudin, M Nuriman, E Gusmayanti, L Arianie, R Susana, ... Biogeosciences 7 (11), 3403, 2010 | 93 | 2010 |
| Residential status and seasonal movements of wild orang-utans in the Gunung Leuser Reserve (Sumatera, Indonesia) IJA Te Boekhorst, CL Schürmann, J Sugardjito Animal Behaviour 39 (6), 1098-1109, 1990 | 92 | 1990 |
| Age-sex class differences in the positional behaviour of the Sumatran orang-utan (Pongo pygmaeus abelii) in the Gunung Leuser National Park, Indonesia J Sugardjito, J Van Hooff Folia Primatologica 47 (1), 14-25, 1986 | 91 | 1986 |
| Selecting nest-sites of sumatran orang-utans, Pongo pygmaeus abelii in the Gunung Leuser National Park, Indonesia J Sugardjito Primates 24 (4), 467-474, 1983 | 68 | 1983 |
| Locomotor behavior of the Sumatran orangutan Pongo pygmaeus abelii at Ketambe, Gunung Leuser National Park J Sugardjito Malay Nat. J. 35, 57-64, 1982 | 58 | 1982 |
| Mamalia Darat Irian Jaya RG Petocz Gramedia Pusataka Utama, 1994 | 54 | 1994 |
| Population survey of macaques in northern Sulawesi J Sugardjito, CH Southwick, J Supriatna, A Kohlhaas, S Baker, J Erwin, ... American Journal of Primatology 18 (4), 285-301, 1989 | 54 | 1989 |
| Comparative Primate Biology: Systematics, Evolution, and Anatomy DR Swindler, JA Erwin Alan R. Liss, 1986 | 53 | 1986 |
| Meat-eating behaviour in wild orang utans,Pongo pygmaeus J Sugardjito, N Nurhuda Primates 22 (3), 414-416, 1981 | 50 | 1981 |
| Assessing rehabilitation and reintroduction of captive-raised gibbons in Indonesia SM Cheyne University of Cambridge, 2004 | 33 | 2004 |
| Assessment and management options of human-tiger conflicts in Kerinci Seblat National Park, Sumatra, Indonesia RT Nugraha, J Sugardjito Mammal Study 34 (3), 141-154, 2009 | 29 | 2009 |
| Gibbons of the lar group: relationships based on voice JT Marshall, J Sugardjito, M Markaya The lesser apes. Evolutionary and behavioural biology, 533-541, 1984 | 28 | 1984 |
| Biology and behaviour of reintroduced gibbons SM Cheyne, DJ Chivers, J Sugardjito Biodiversity and Conservation 17 (7), 1741, 2008 | 25 | 2008 |
| Orang utans: current population status, threats and conservation measures J Sugardjito, CP Van Schaik Proceedings of the Great Apes Conference, 142-152, 1991 | 24 | 1991 |
