American Society of Civil Engineers, 2018
Majalah, Jurnal, Buletin
American Society of Civil Engineers, 2018
Majalah, Jurnal, Buletin
Shainberg, I.
IIC, 1978
Buku Teks
Lembaga Penelitian Universitas Indonesia, 2006
Artikel Jurnal
Sirait, R.U. Maruasas
Program Pascasarjana Universitas Indonesia, 1994
UI - Tesis Membership