Long, B.; Exploitasia, I.; Mahmud, R.; Khairani, K.O.; Sectionov, I.; Firdaus, A.Y.; Chandradewi, D.S.; Hartono, D.D.; Sadjudin, H.R.; Hardiana, Y.; Brook, S.; Wilson, S.G. 2025. Conservation of the Javan Rhinoceros: Lessons from Indonesia and Vietnam. [chapter 13]. In: Melletti, M.; Talukdar, B.; Balfour, D. 2025. Rhinos of the world: ecology, conservation and management. Berlin, Springer. pp. 333-349. doi.org/10.1007/978-3-031-67169-2_13
Sadjudin, H.R. 2021. The Millenial generation inherits the task of rescuing rhinos in indonesia that resonates with the whole world. Internet blog. pp. 1-7.
Sadjudin, H.R. 2019. Planning without action will see the Javan rhino go extinct (commentary). www.mongabay.com April 2019: 1-7.
Sadjudin, H.R.; Syamsudin, M.; Ramono, W.S. 2013. Status kritis dua jenis badak di Indonesia. Al-Kauniyah Jurnal Biologi 6 (1): 73-83.
Ramono, W.S.; Isnan, M.Waladi; Sadjudin, H.R.; Gunawan, H.; Dahlan, E.N.; Sectionov; Pairah; Hariyadi, A.R.; Syamsudin, M.; Talukdar, B.K.; Gillison, A.N. 2009. Report on a second habitat assessment for the Javan rhinoceros (Rhinoceros sondaicus sondaicus) within the island of Java. Yulee, International Rhino Foundation. pp. 1-85.
Sadjudin, H.R. 1999. Program konservasi badak sumatra (Dicerorhinus sumatrensis Fischer, 1814) di Taman Nasional Way Kambas, Lampung Tengah.
Sadjudin, H.R. 1997. Javan rhinoceros conservation training course and field work in Ujung Kulon National Park, West Java, Indonesia.
Reilly, J.; Hills Spedding, G.; Apriawan; Setiawan, V.I.; Ahmad, M.; Sadjudin, H.R.; Ramono, W.S. 1997. Recent records of the Sumateran rhino, Dicerorhinus sumatrensis, in Way Kambas National Park, Sumatera. Tropical Biodiversity 4 (2): 215-217, table 1.
Strien, N.J. van; Sadjudin, H.R. 1995. Ujung Kulon National Park: Javan rhino – current status, protection and conservation management. Report to Asian Rhino Specialist Group. pp. 1-32.
Sadjudin, H.R. 1991. The misunderstood one-horned rhino. Voice of Nature no. 93: 14-15, figs. 1-2.
Sadjudin, H.R. 1991. Status and distribution of the Javan rhino (Rhinoceros sondaicus Desm.) in Ujung Kulon National Park.
Sadjudin, H.R. 1987. The Javan rhino (Rhinoceros sondaicus Desm.) census in Ujung Kulon National Park. Rimba Indonesia 21 (1): 16-26, figs. 1-2, tables 1-3.
Sadjudin, H.R.; Lusli, S. 1986. Ujung Kulon, Javan rhinoceros. WWF Yearbook 1985-1986: 460-461.
Sadjudin, H.R. 1986. The Javan rhino (Rhinoceros sondaicus Desm.) census in Ujung Kulon National Park.
Sadjudin, H.R. 1984. Census badak jawa (Rhinoceros sondaicus Desmarest, 1822) di Ujung Kulon, April 1984. Report to WWF. pp. 1-24.
Sadjudin, H.R. 1984. Indonesia, Ujung Kulon, Javan rhinoceros. WWF Yearbook 1983-1984: 322-323, fig. 1.
Sadjudin, H.R. 1984. Studi perilaku dan populasi badak Jawa (Rhinoceros sondaicus Desmarest, 1822) di Ujung Kulon. Jakarta, Universitas Nasional, Fakultas Biologi. pp. i-x, 1-87.
Sadjudin, H.R.; Djaja, B. 1984. Monitoring populasi badak Jawa (Rhinoceros sondaicus Desmarest, 1822) di semenanjung Ujung Kulon. Jakarta, Universitas Nasional, Fakultas Biologi. pp. i-v, 1-26.
Sadjudin, H.R.; Lo Yauw Khian; Djaja, B. 1982. Javan rhinoceros: Ujung Kulon. WWF Yearbook 1982: 283-284, fig. 1.
Sadjudin, H.R. 1981. Javan rhinoceros – Ujung Kulon Nature Reserve. WWF Yearbook 1980-1981: 442.
Sadjudin, H.R. 1980. Badak Sumatera (Dicerorhinus sumatrensis Fischer, 1814). Thesis presented to the Universitas Nasional, Jakarta. pp. 1-60.






