Department of Chemistry;
Faculty of Mathematics and Natural Sciences;
Gadjah Mada University;
Sekip Utara;
Yogyakarta 55281;
Indonesia;
Department of Chemical Engineering;
Faculty of Engineering;
Gadjah Mada University;
Jalan Grafika;
Yogyakarta 55281;
Indonesia;
Faculty of Biology;
Gadjah Mada University;
Sekip Utara;
Yogyakarta 55281;
Indonesia;