1. 1. European Medicines Agency. Glossary on herbal teas. https://www.ema.europa.eu/en/documents/regulatory-procedural-guideline/glossary-herbal-teas_en.pdf. Accessed 08 July 2020.
2. 2. Wachira FN, Kamunya S, Karorl S, Chalo R, Maritim T. The tea plants: botanical aspects. In: Preedy VR (ed.). Tea in health and disease prevention. 1st ed. Academic Press 2012:3-18.
3. 3. Faydaoğlu E, Sürücüoğlu MS. History of the use of medical and aromatic plants and their economic ımportance. Kastamonu Univ Orman Fak Derg 2011; 11(1):52-67.
4. 4. FAO 2018. Current market situation and medium term outlook. Intergovernmental group on tea. http://www.fao.org/3/BU642en/bu642en.pdf. Accessed 08 July 2020.
5. 5. Ulusoy A, Şeker M. Türkiyede değişen çay tüketim alışkanlıkları projesi (the project of changing consumption habits tea in Turkey). https://issuu.com/8698858/docs/t__rkiye_de___de__i__en_cay_t__keti. Accessed 08 July 2020 [in Turkish].