1. Application of chemical tests in manufacturing experiments;Bhatia;Two and A Bud,1960
2. Biochemical investigations in relation to tea manufacture;Bhatia;Two and A Bud,1964
3. The determination of optimum fermentation time in the factory;Cloughley;Tea Research Foundation of Central Africa, Quarterly Newsletter No. 55,1979
4. The gentle art of factory X-perimenter;Cloughley;Tea Research Foundation of Central Africa, Quarterly Newsletter No. 58,1980