https://libserver.cedefop.europa.eu/book_details.aspx?titleid=60277&source=lookup
<a href='https://libserver.cedefop.europa.eu/book_details.aspx?titleid=60277&source=lookup' target='_blank'>The economic value of academic and vocational training acquired in high school / Russell W. Rumberger and Thomas N. Daymont.</a>