: It is a unique article identifier for a study titled "The influence of environmental regulation on industrial structure upgrading," published in the journal Technological Forecasting and Social Change .
: You can text anyone, though non-emergency contacts may need to message you first or be in your "Emergency Contacts" list to initiate the conversation. 120930
: You must have an iPhone 14 or later running iOS 18 or newer . : It is a unique article identifier for