“Determination Of The Best Treatment For The Tannery Industry Using Sodium Silicate (〖Na〗_2 SiO_3) With Sulfuric Acid (H_2 SO_4)”. Journal of Pharmaceutical Negative Results (January 1, 2023): 269–282. Accessed June 9, 2026. https://mail.pnrjournal.com/index.php/home/article/view/6684.