“EFEK DOPING TERHADAP AKTIVITAS FOTOKATALIS Na2Ti6O13 DALAM MENDEGRADASI LIMBAH CAIR METHYLENE BLUE PADA INDUSTRI TEKSTIL”. PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE, vol. 2, Oct. 2018, https://doi.org/10.33019/snppm.v2i0.584.