1. Academic journals official website: Most academic journals will provide full-text downloads of papers in official website. You can visit these websites directly and search for papers you are interested in.
2. Databases: Many databases provide full-text retrieval and download of academic journal papers, such as WebofScience, Scopus and CNKI. You can find and get the papers you are interested in through these databases.
3. E-mail subscription: Many academic journals provide e-mail reminder service. You can subscribe to these emails, set keyword reminders, and keep abreast of the latest published papers.