Passman, Donald S.
A course in ring theory / Donald S. Passman
Wadsworth & Brooks, 1991
 Buku Teks
Algebre : elements de mathematique
Nicolas Bourbaki
[Springer-Verlag Berlin Heidelberg, ], 2012
 eBooks
Cohn, P.M.
Free rings and their relations
Academic Press, 1985
 Buku Teks
Rahendra Kusherybowo
Pengaruh konsumsi phosfor dan temperatur solution treatment terhadap terjadinya cacat bercak hitam piston Al-Si DX-450
1996
 UI - Skripsi (Membership)
Elements de mathematique algebre : chapitre 8 / N. Bourbaki
Springer, 2012
 eBooks