Date: Dec 28, 2012
Source: JURNAL KIMIA VALENSI
Publisher: UIN Syarif Hidayatullah, Universitas Islam Negeri Syarif Hidayatullah
Date: Nov 01, 2009
Source: JURNAL KIMIA VALENSI
Publisher: UIN Syarif Hidayatullah, Universitas Islam Negeri Syarif Hidayatullah