Gehlot, P., Daga, K., & Pallavi, V. (2010). Adsorptive Treatment of Azo Dyes from Aqueous Solution Using PVA Coated Carbon Black as An Adsorbent. Asian Journal of Chemistry, 21(8), 5941–5946. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/12273