Purba, Wolter Juan Arens, author
2018
UI - Tesis (Membership)
Koza Brajamagenta, author
2019
UI - Skripsi (Membership)
Meicr, Richard L., author
McGraw-Hill, 1965
Buku Teks
Wilson, Thomas, author
Macmillan, 1965
Buku Teks
edited by Edward A. Sptiz
Auerbach, 1970
Buku Teks