Study on the development of european quality assurance agencies in higher education Study on the models of quality assurance in higher education 并列题名:Study on the models of quality assurance in higher education International comparative of the quality assurance systems in higher education study on the integration strategy of European Union higher education Study on the development of high quality economy in Beijing Accreditation and quality assurance of American higher education 并列题名:Accreditation and quality assurance of American higher education 并列题名:International comparative of the quality assurance systems in higher education