1. Didaktik des Wirtschaftslehreunterrichts;Achtenhagen,1984
2. How should research on vocational and professional education react to new challenges in life and in the workplace;Achtenhagen,1994
3. Vocational education and training;Achtenhagen;Education,1994
4. Feasibility study: Research scope for vocational education in the framework of COST social sciences;Achtenhagen,1995
5. Die Lehrerpersönlichkeit im Urteil von Schülem;Achtenhagen,1979