International comparison of teachers in technical and vocational education 并列题名:International comparison of teachers in technical and vocational education International Research on Technical and Vocational Education Environmental education in technical and vocational education Research on quality assurance of international technical and vocational education International comparison of ecological compensation Standard of teachers' quality in vocational education 并列题名:Research on quality assurance of international technical and vocational education International comparison of the national integrity systems 并列题名:Standard of teachers' quality in vocational education