Market Research has some of the most expensive paywalls
Note:
– For platforms with a subscription-only or freemium access model, Cost pertains to the platforms' monthly subscription fees.
– For platforms with a pay-per-view access model, Cost pertains to either a standard one-time fee or an average of all available prices (for services with a full database of prices, such as certain academic journals and e-libraries).
– For platforms with a subscription-only or freemium access model, Cost pertains to the platforms' monthly subscription fees.
– For platforms with a pay-per-view access model, Cost pertains to either a standard one-time fee or an average of all available prices (for services with a full database of prices, such as certain academic journals and e-libraries).
