6Sheri A.Hanson,Thomas P.Hogan.Computational Esti-mation Skill of College Students. Journal for Research inMathematics Education . 2000
7Kathryn Ecclestone.Care or Control?:Defining Learners’’Needs for Lifelong Learning. British Journal of EducationalStudies . 1999
8Glynda Hull.Critical Literacy and Beyond:Lessons Learnedfrom Students and Workers in a Vocational Program and onthe Job. Anthropology&Education Quarterly . 1993
9Melanie,J.Z,Jeylan,T.M.Adolescent work,vocational development,and education. The Review of Education . 2006
10James W Ainsworth,Vincent J Roscigno.Stratification, School-Work Linkages and Vocational Education. Social Forces . 2005