Inorganic and Physical Chemistry Research Group;
Faculty of Mathematics and Natural Sciences;
Institut Teknologi Bandung;
Jl. Ganesha 10 Bandung 40132;
Indonesia;
Research Group of Solid State & Catalysis;
Chemistry Department;
Sebelas Maret University;
Jl. Ir. Sutami 36 A Kentingan Surakarta 57126;
Indonesia;
Metallurgical Engineering Research Group;
Faculty of Mining and Petroleum Engineering;
Institut Teknologi Bandung;
Jl. Ganesha 10 Bandung 40132;
Indonesia;