Placklé, I., Könings, K. D., Jacquet, W., Struyven, K., Libotton, A., van Merriënboer, J. J. G., & Engels, N. (2014). Students’ Preferred Characteristics of Learning Environments in Vocational Secondary Education. International Journal for Research in Vocational Education and Training, 1(2), 107–124. https://doi.org/10.13152/IJRVET.1.2.2