Kessels, J. (april 1994). De organisatie van het leren. (interne publicatie)

Kessels, J. (april 1994). De organisatie van het leren. (interne publicatie) (Publication)

Kessels, J. W. M. (1994). Competency-based Training of Radiotherapy Technicians in a Simulated Environment.

Kessels, J. W. M. (1994). Competency-based Training of Radiotherapy Technicians in a Simulated Environment. (Publication)

Kessels, J. W. M. (1994). De organisatie van het leren. Gids voor Personeelsmanagement, (5), 39. (Publication)

Kessels, J.W.M. (1993). Towards design standards for curriculum consistency in corporate education. PhD Thesis. University of Twente. (Publication)