Tillaart, H. v. d., Berg, S. v. d., Wamerdam, J., & European Commission. (1998). Work and learning in micro-enterprises in the printing industry: A comparative research study into the relationship between technological and organisational developments and training activities in micro-enterprises in the printing industry in four European countries. Luxembourg: Office for Official Publications of the European Communities.

Tillaart, Harry van den., Sjaak van den Berg, John Wamerdam, and European Commission. Work and Learning in Micro-enterprises in the Printing Industry: A Comparative Research Study Into the Relationship between Technological and Organisational Developments and Training Activities in Micro-enterprises in the Printing Industry in Four European Countries. Luxembourg: Office for Official Publications of the European Communities, 1998.

Tillaart, Harry van den., Sjaak van den Berg, John Wamerdam, and European Commission. Work and Learning in Micro-enterprises in the Printing Industry: A Comparative Research Study Into the Relationship between Technological and Organisational Developments and Training Activities in Micro-enterprises in the Printing Industry in Four European Countries. Luxembourg: Office for Official Publications of the European Communities, 1998.