1. Pesticide residues in tea;Agnihothrudu;Planters’ Chron.,1990
2. AOAC, 2005. Official Method 998.01. Synthetic pyrethroids in agricultural products. Off. methods Anal. In: AOAC Int. 18th Eds., Maryland, USA, pp. 74–77.
3. Persistence of chlorpyrifos in soil under different moisture regimes;Awasthi;Pestic. Sci.,1997
4. Residues and persistence of certain insecticides in Darjeeling tea;Bisen;J. Plantn. Crops,2000
5. Factors affecting residues of pesticides in Tea;Chen;Pestic. Sci.,1988