TY JOUR TI The competitiveness of sanitary products: key and determining factors KW competition KW competitiveness KW product competitiveness KW factors of competitiveness KW digitalization KW digital competition KW sanitary products KW market of sanitary goods JO Vestnik of Astrakhan State Technical University. Series: Economics AU Sheremetyeva, E.. AU Surkina, M.. PY 2026 IS 2026 PB Astrakhan State Technical University