@article {Exploring1998,
title = {Exploring the Returns to Continuing Vocational Training in Enterprises: A review of research within and outside of the European Union},
year = {1998},
url = {https://www.esri.ie/publications/exploring-the-returns-to-continuing-vocational-training-in-enterprises-a-review-of-research-within-and-outside-of-the-european-union},
author = {Barrett, A., Hovels, B., and Kraayvanger, G.},
}