GESSLER, Michael. The Lack of Collaboration Between Companies and Schools in the German Dual Apprenticeship System: Historical Background and Recent Data. International Journal for Research in Vocational Education and Training, [S.l.], v. 4, n. 2, p. 164-195, aug. 2017. ISSN 2197-8646. Available at: <http://www.ijrvet.net/index.php/IJRVET/article/view/256>. Date accessed: 13 dec. 2017. doi: https://doi.org/10.13152/IJRVET.4.2.4.