2Stewing, B. R. & Bristow, D. H. Tech prep programs: the role and essential elements [J].Journal of vocational and technical education , 1997, (2).
3Ohio Department of Education.Manufacturing technologies: career field technical content standards document. P. xxxv & xxxvii [ EB/OL ]. http://www.nde.state.oh.us.
4Carl D. Perkins Vocational and Applied Technology Education A- mendments of 1998. Pub. L. No. 105-332, 105th Con. http:// www. gpo. gov/fdsys/pkg/PLAW - 105pub1332/html/PLAW - 105pub1332. htm.
