Use of the QuEChERS methodology to develop methods for determination the of pesticides residues in vegetable oils and oilseeds raw materials - O. V. Zemtsova; I. S. Maksimchuk; Ju. S. Baranov; A. A. Belous; P. A. Kuchma; E. M. Brodetskaja; D. S. Zakharevich (Zurnal Hromatograficnogo tovaristva, 2017)