1. Pesticide residues in tea;Agnihothrudu;Planters Chronical,1990
2. Persistence and degradation of some insecticides in Darjeeling tea;Bisen;Journal of Plantation Crop,2000
3. Basic guide to pesticides;Briggs,1992
4. Pesticide residue in raisin processing;Cabras;Journal of Agriculture and Food Chemistry,1998
5. Factors affecting residues of pesticides in tea;Chen;Pesticide Science,1988