Gasteiger, H. (2014). Professionalization of early childhood educators with a focus on natural learning situations and individual development of mathematical competencies: Results from an evaluation study. In U. Kortenkamp, B. Brandt, C. Benz, G. Krummheuer, S. Ladel & R. Vogel (Hrsg.), Early mathematics learning. Selected papers of the POEM 2012 conference, 275–290. New York: Springer.
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Gasteiger, H. (2014). Professionalization of early childhood educators with a focus on natural learning situations and individual development of mathematical competencies: Results from an evaluation study. In U. Kortenkamp, B. Brandt, C. Benz, G. Krummheuer, S. Ladel & R. Vogel (Hrsg.), Early mathematics learning. Selected papers of the POEM 2012 conference, 275–290. New York: Springer.