Lewoleba, Gregorius Goran
Strategi adaptasi masyarakat petani terhadap ekosistem savana: studi kasus di Kecamatan Amarasi Kabupaten Kupang Propinsi Nusa Tenggara Timur = Strategic adaptation of peasant community in a savanna ecosystem ( A case study of the Sub District of Amarasi District of Kupang, East Nusa Tenggara)
Program Pascasarjana Universitas Indonesia, 1991
 UI - Tesis (Membership)
Sumardi
Peranan pimpinan desa dalam pelestarian fungsi kewang : Studi tentang pranata sosial dalam pengelolaan sumberdaya alam dan lingkungan di Pulau Saparua Kabupaten Maluku Tengah, Propinsi Maluku = The role of village headman and the kewang environment preservation: study on social institutions on environment and natural resources management in the Island of Saparua, Kabupaten of Central Molucca, Molucca Province
Program Pascasarjana Universitas Indonesia, 1989
 UI - Tesis (Membership)
Cunningham, William P.
Principles of environmental science : inquiry and applications
McGraw-Hill, Higher Education, 2009
 Buku Teks
Cunningham, William P.
Principles of environmental science : inquiry and applications
McGraw-Hill, 2002
 Buku Teks
Environmental study centres: strengthening the network through the association for collaboration of ESCS (BKPSL)
proposed by Centre for Research of Human Resources and the Environment
University of Indonesia, 1990
 Buku Teks