1. How to apply for an Australian visa online, https://www.travelweekly.com.au/article/how-to-apply-for-an-australian-visa-online/
2. Australian visa information in China, https://www.homeaffairs.gov.au/countries/pages/china.aspx
3. Electronic Travel Authority (subclass 601), https://immi.homeaffairs.gov.au/visas/getting-a-visa/visa-listing/electronic-travel-authority-601#Eligibility