TURABOV , Sarvar. ECONOMIC EFFICIENCY OF PUBLIC PROCUREMENT EVALUATION BASED ON TOTAL COST OF OWNERSHIP (TCO). Innovation Science and Technology, Tashkent, Uzbekistan, v. 2, n. 1, p. 383–386, 2026. DOI: 10.5281/zenodo.22486000. Disponível em: https://www.ist-journal.uz/index.php/IST/article/view/1136. Acesso em: 15 oct. 2026.