ABDUXALILOVA , Laylo. FUNDAMENTALS OF USING MARKETING RESEARCH TO IMPROVE SALES SYSTEM EFFECTIVENESS. Innovation Science and Technology, [S. l.], v. 2, n. 4, 2026. DOI: 10.5281/zenodo.19663904. Disponível em: https://ist-journal.uz/index.php/IST/article/view/755. Acesso em: 30 apr. 2026.