TY  JOUR
TI  The platform dependency index as a tool for assessing the vulnerability of small businesses in collaboration with marketplaces
KW  marketplace
KW  small business
KW  platform dependence
KW  platform dependence index (PDI)
KW  digital commerce
KW  sales channel strategies
JO  Vestnik of Astrakhan State Technical University. Series: Economics
AU  Suiazova, N.N.
PY  2025
IS  2025
PB  Astrakhan State Technical University