Lofi Febriana, author
Inspektorat Jendral Kementerian Pekerjaan Umum dan Perumahan Rakyat, 2016
Artikel Jurnal
Hendro, author
2017
UI - Skripsi (Membership)
Ambrose, James E., author
John Wiley & Sons, 1997
Buku Teks
Ambrose, James E., author
John Wiley & Sons, 2007
Buku Teks
Salmon, Charles G., author
Harper and Row, 1980
Buku Referensi