Maina N, Onyancha D, Sang P. Investigation of clay minerals (Kaolinite and halloysite) as a green leather tanning agent. Int. J. Sci. Res. Chem. Sci. [Internet]. 2023 Apr. 30 [cited 2025 Apr. 5];10(2):1-7. Available from: https://ijsrcs.isroset.org/index.php/j/article/view/126