Oktavia, Swastika, et al. “Application of Chitosan from Litopenaeus Vannamei and Baglog Waste from Pleurotus Ostreatus for Decolorizing Batik Wastewater”. Jurnal Penelitian Pendidikan IPA, vol. 10, no. 2, Feb. 2024, pp. 638-47, doi:10.29303/jppipa.v10i2.5859.