Agnes Fitria Nurhasanah - Bambang Cahyono - Harold J. Laski - Yaung Seek Choue
ARIF SETYO UPOYO - Bambang Cahyono - Shah Alam - T.E.Utley and J. Stuart Maclure
Bambang Cahyono - G.Plekhanov N. Beltov - Iwan Permana - karx Marx
Abdulkarim Amrullah - Bambang Cahyono - Karx and Frederick Engels - Suhardi