Membuat reagen kimia di laboratorium

 Mulyono HAM;

Jakarta : Bumi Aksara , 2012

Ronald Reagen :the power of conviction and the success of his presidency

 Wallison, Peter J.;

Cambridge, MA : Westview press , 2003

Ronald Reagen :the power of conviction and the success of his presidency

 Wallison, Peter J.;

Cambridge, MA : Westview press , 2003