共 4 条
[3]
Apprenticeship training: for investment or substitution?[J] . Jens Mohrenweiser,Uschi Backes-Gellner.International Journal of Manpower . 2010 (5)
[4]
Investment in Human Capital: A Theoretical Analysis[J] . Gary S. Becker.Journal of Political Economy . 1962 (5)

