1. Communication from the Commission to the European Parliament, The Council the European Economic and Social Committee and the Committee of the Regions, Closing the Loop—An EU Action Plan for the Circular Economyhttps://eur-lex.europa.eu/legal-content/EN/ALL/?uri=CELEX%3A52015DC0614
2. Standard 100 by OEKO-TEXhttps://www.oeko-tex.com/en/our-standards/standard-100-by-oeko-tex
3. Newer natural dyes for various textiles;Padma,2019
4. Natural dyes: Sources, chemistry, application and sustainability issues;Saxena,2014
5. Natural Colorants: Historical, Processing and Sustainable Prospects