Welzel, M. (1997): Investigations of Individual Learning Processes – a Research Program with its Theoretical Framework and Research Design.

Welzel, M. (1997). Investigations of Individual Learning Processes - a Research Program with its Theoretical Framework and Research Design.. In Proceedings of the 3rd European Summerschool. Theory and Methodology of Research in Science Education (S. 76–84).@inproceedings{welzel1997, title={Investigations of Individual Learning Processes - a Research Program with its Theoretical Framework and Research Design.}, author={Manuela Welzel}, year={1997}, booktitle={Proceedings of the 3rd European Summerschool. Theory and Methodology of Research in Science Education}, pages={76--84} } 