a research on Dworkin's theory of law a research of lacan's theory of trieb Research on basic theory of tax law 认真对待平等权:德沃金自由主义法律理论研究:a research on Dworkin's theory of law a research on brand core value Research on precedent and theory of tax law 并列题名:Research on basic theory of tax law Research on the practice and theory of tax law a research report on theory and planning 并列题名:Research on the practice and theory of tax law