Theoretical and empirical research on intergroup relation 并列题名：Theoretical and empirical research on intergroup relation Theoretical and empirical research on rural revitalization Theoretical and empirical research on teacher learning a theoretical and empirical research on individual security Theoretical and empirical research on criminal trail theoretical and empirical research of frontier minority areas 并列题名：Theoretical and empirical research on rural revitalization theoretical and empirical research via Chinese tales 并列题名：Theoretical and empirical research on teacher learning