Chernysheva G.N., Ivashinina T.B., Savich Y.A. IMPROVING CONTROL IN THE SYSTEM OF PROCUREMENT OF PRODUCTS FOR NATIONAL DEFENSE NEEDS // Region: Systems, Economics, Management. 2025. Vol. 1, no. 1 (68). P. 137–144. https://doi.org/10.22394/1997-4469-2025-68-1-137-144