Ahmed, Md Dipu, and Kazi Madina Maraz. “Benefits and Problems of Chrome Tanning in Leather Processing: Approach a Greener Technology in Leather Industry”. Materials Engineering Research 3, no. 1 (October 4, 2021): 156-164. Accessed March 29, 2024. https://www.syncsci.com/journal/MER/article/view/MER.2021.01.004.