- Word Bank
- IGG on Tea, FAO
- Commond Fund for Commodities, FAO
- National Focal Point Working Group on Tea
- International Tea Committee
- Colombo Plan
- Kothari Agricultural Management Centre (KAMC)
- Asian Facific Weed Science Society
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- Wageningen International
- Tea Board of India, Sri Lanka, Bangladesh, dan Kenya
- Hunan Tea Research Institute
- Taiwan Tea Research Institute
- Busheong Tea Research Institute, South Korea
- International Society of Antioxidants in Nutrition & Health
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