@article{Vinogradova2025technical, author={Vinogradova, N.I. and Grebneva, A.S. and Popov, S.V.}, title={TECHNICAL AND CRIMINALISTIC MEANS AND METHODS OF PRELIMINARY INVESTIGATION OF NARCOTIC DRUGS}, journal={Advances in Law Studies}, publisher={Publishing Center RIOR}, year={2025}, pages={21-25}, volume={13}, issue={2}, }