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APA Citation
Sztajn, P., Heck, D. J., & Malzahn, K. (2020). Activating math talk : 11 purposeful techniques for your elementary students. Thousand Oaks : Corwin. http://access.bl.uk/ark:/81055/vdc_100111102773.0x000001
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Sztajn, P., Heck, D. J., & Malzahn, K. (2020). Activating math talk : 11 purposeful techniques for your elementary students. Thousand Oaks : Corwin. http://access.bl.uk/ark:/81055/vdc_100111102773.0x000001