1. Tea International January/February 1995:29.
2. FAO CCP: TE97/CRS.2. Annexes.
3. ITC Annual Bulletin of Statistics.
4. Outlook for CTC—An appraisal of the financial feasibility of diversifying to CTC tea production in Sri Lanka Sivaram et al 1995.
5. Tea & Coffee Trade Journal May 1997:7.