Anika Widiana
Kebijakan perdagangan Uni Eropa terhadap Indonesia: dampaknya terhadap ekspor Indonesia ke UE = Trade policies of European Union toward Indonesia : the effects to export activities of Indonesia to European Union's market
2007
 UI - Tesis Membership
Graham, Loren R.
Science in Russia and the Soviet Union: a short history
Cambridge University Press, 1993
 Buku Teks
Riasanovsky, Nicholas V.
A history of Russia
Oxford University Press, 1963
 Buku Teks
An introduction to Vygotsky
edited by Harry Daniels
Routledge, 2005
 Buku Teks
Kozulin, Alex
Vygotsky`s psychology : a biography of ideas
Harvester Wheatsheaf, 1990
 Buku Teks