“Extraction and Application of Natural Colourant from the Bark of Berlinia Grandiflora on Cotton and Polyamide 6 Fabrics”. Iraqi Journal of Science 62, no. 6 (July 1, 2021): 1745–1760. Accessed May 6, 2024. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/2385.