Empirical research on the revised Willis' TBLT framework 并列题名:Empirical research on the revised Willis' TBLT framework Empirical research on the legal aid system of China empirical research on enterprises and cities Empirical research on the employment of college graduates Empirical research on the people's jury system (2004-2014) An empirical research on the legal aid system of China empirical research from the human rights perspective Empirical research on the effectiveness of police education