Selter, C., Gräsel, C., Reinold, M. & Trempler, K. (2015). Variations of in-service training for primary mathematics teachers: an empirical study. ZDM Mathematics Education, 47 (1), 65–77. DOI:10.1007/s11858-014-0639-2.
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Selter, C., Gräsel, C., Reinold, M. & Trempler, K. (2015). Variations of in-service training for primary mathematics teachers: an empirical study. ZDM Mathematics Education, 47 (1), 65–77. DOI:10.1007/s11858-014-0639-2.