[{"citation":{"bibtex":"@article{Kempen_Biehler_2019, title={Fostering first-year pre-service teachers’ proof competencies}, volume={51}, DOI={<a href=\"https://doi.org/10.1007/s11858-019-01035-x\">10.1007/s11858-019-01035-x</a>}, number={5}, journal={ZDM}, publisher={Springer Science and Business Media LLC}, author={Kempen, Leander and Biehler, Rolf}, year={2019}, pages={731–746} }","ama":"Kempen L, Biehler R. Fostering first-year pre-service teachers’ proof competencies. <i>ZDM</i>. 2019;51(5):731-746. doi:<a href=\"https://doi.org/10.1007/s11858-019-01035-x\">10.1007/s11858-019-01035-x</a>","mla":"Kempen, Leander, and Rolf Biehler. “Fostering First-Year Pre-Service Teachers’ Proof Competencies.” <i>ZDM</i>, vol. 51, no. 5, Springer Science and Business Media LLC, 2019, pp. 731–46, doi:<a href=\"https://doi.org/10.1007/s11858-019-01035-x\">10.1007/s11858-019-01035-x</a>.","chicago":"Kempen, Leander, and Rolf Biehler. “Fostering First-Year Pre-Service Teachers’ Proof Competencies.” <i>ZDM</i> 51, no. 5 (2019): 731–46. <a href=\"https://doi.org/10.1007/s11858-019-01035-x\">https://doi.org/10.1007/s11858-019-01035-x</a>.","short":"L. Kempen, R. Biehler, ZDM 51 (2019) 731–746.","ieee":"L. Kempen and R. Biehler, “Fostering first-year pre-service teachers’ proof competencies,” <i>ZDM</i>, vol. 51, no. 5, pp. 731–746, 2019, doi: <a href=\"https://doi.org/10.1007/s11858-019-01035-x\">10.1007/s11858-019-01035-x</a>.","apa":"Kempen, L., &#38; Biehler, R. (2019). Fostering first-year pre-service teachers’ proof competencies. <i>ZDM</i>, <i>51</i>(5), 731–746. <a href=\"https://doi.org/10.1007/s11858-019-01035-x\">https://doi.org/10.1007/s11858-019-01035-x</a>"},"status":"public","volume":51,"user_id":"37888","publisher":"Springer Science and Business Media LLC","_id":"56255","page":"731-746","issue":"5","publication":"ZDM","department":[{"_id":"363"}],"type":"journal_article","date_created":"2024-09-25T08:44:43Z","intvolume":"        51","date_updated":"2024-09-25T08:51:04Z","publication_status":"published","author":[{"full_name":"Kempen, Leander","last_name":"Kempen","first_name":"Leander"},{"id":"16274","full_name":"Biehler, Rolf","first_name":"Rolf","last_name":"Biehler"}],"publication_identifier":{"issn":["1863-9690","1863-9704"]},"year":"2019","title":"Fostering first-year pre-service teachers’ proof competencies","doi":"10.1007/s11858-019-01035-x","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://link.springer.com/article/10.1007/s11858-019-01035-x"}]}]