1. Anon. https://iwto.org/wool-supply-chain/history-of-wool/, 2020 (accessed 15.10.2020).
2. Anon. https://www.woolmark.com/fibre/woolgrowers/where-wool-comes-from/, 2023 (accessed 01.02.2023).
3. Handbook of Natural Fibres: Volume 1: Types, Properties and Factors Affecting Breeding and Cultivation;Kozłowski,2020
4. Anon. https://iwto.org/resources/wool-testing-resources/, 2023 (accessed 01.02.2023).
5. Handbook of Properties of Textile and Technical Fibres;Bunsell,2018