Buchter, Hugo H.,
John Wiley & Sons, 1979
Buku Teks
London: London 1992
Buku Teks
Agus Hardiman Adam, author
1999
UI - Skripsi (Membership)
edited by Dagmar Caganova, Michal Balog, Lucia Knapcíkova, Jakub Soviar, Serkan Mezarcıoz
Springer Nature, 2019
eBooks
Elsevier Science Inc., 660, 2018
Majalah, Jurnal, Buletin