8Andreas Schleicher,Benehmarking 21st century skills,30th APEC-HRDWG meeting, Bohol, The Philippines, 2008.4.
9W. Norton Grubb. Working in The Middle Strengthen- ing Education and Training for. he Mid-Skilled Labor Force. San Francisco: Jossey-Bass Publishers.1996.
10Cedefop.Zooming in on 2010 Reassessing vocational edu- cation and training, 2007.