Putri, Erlaningtias, Dwi Fungky Ratnasari, Anugerah Dewi Harumsari, Vivid Ayu Lestari, & Sri Wardhani. " Utilization of Sludge from Sidoarjo for Synthesis of Microball Photocatalist of Fe2O3 zeolit-chitosan as Fermented Soybean Waste-Degrading Agent." Jurnal ILMU DASAR [Online], 17.2 (2016): 111-116. Web. 22 Nov. 2024