Risdevi Renta Ria Manalu, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2010
UI - Tesis Membership
The State Ministry of Environment, 2008
Buku Teks
[chief editor, Tirta Nugraha Mursitama]
DRPM-UI, 2007
Buku Referensi
Badan Pusat Statistik, 2008
Buku Referensi
Japenpa, 1969
Buku Teks