TY - BOOK AU - Singh Sandeep Kumar AU - Dr. Dileep Kumar Singh Gu. AU - University of Delhi. Faculty of Science. Department of Zoology ED - University of Delhi. Faculty of Science. Department of Zoology TI - Pesticide residue analysis in lettuce, orange and mango using modified QuEChERS method : Estimation of precision uncertaintyand variability PY - 2011/// KW - ZOOLOGY ER -