Iyan Robiansyah
Population status and habitat preferences of critically endangered dipterocarpus littoralis in west nusakambangan, indonesia
University of East Anglia, Norwich. School of Environmental Sciences, 2015
 Artikel Jurnal
Toposequence of soil on the south slope of the Merapi Volcano to Baron Coast, Yogyakarta
 Artikel Jurnal
Elva Rahmah
Penerapan customer relationship management di badan perpustakaan dan kearsipan provinsi Sumatera Barat / Elva Rahmah, Desriyeni, Marlini Marlini
UPT Perpustakaan Universitas Sriwijaya, 2017
 Artikel Jurnal
Tim Penyusun Bahan Ajar Muatan Lokal
Naskah Bahan Ajar Muatan Lokal, Muatan Lokal Kesenian Daerah Untuk Sekolah Dasar Kelas V Provinsi Sumatera Utara Sub Mata Ajaran Seni Musik
Lembaga Penelitian Universitas Indonesia, 2002
 UI - Laporan Penelitian
Science and technology indicators of Indonesia 1993
STAID, BBPT, 1993
 Buku Referensi