@article{Kazanskaya2026optimization, author={Kazanskaya, L.F. and Fedorova, A.N. and Makarov, Y.I. and Latypova, i.A.}, title={Optimization of value chain management based on a supplier audit system}, journal={Bulletin of scientific research results}, publisher={FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"}, year={2026}, pages={208-217}, volume={2026}, issue={1}, }