L. Bhuyan, D. Baruah, P. Tamuly, S. Bhattacharya, and M. Hazarika, “EFFECTOF LEVEL OF CHEMICAL WITHER AND DURATION OF FERMENTATION ON BIOCHEMICAL COMPOSITION OF MADE TEA”, IJTS, vol. 7, no. 01 and 02, pp. 39-48, Aug. 2008.