Khalid B, Yaqub A, Arif MF, Liaquat L, Iqbal B. Study of Colour Measurements of Leather Dyed with Walnut Bark Natural Dye: Walnut Bark Dyed Leather. Pakistan Journal of Scientific & Industrial Research [Internet]. 2010 Oct. 25 [cited 2024 May 4];53(5):252-7. Available from: https://v2.pjsir.org/index.php/biological-sciences/article/view/473