[[Andreas Eichler|Eichler, A.]] & Erens, R. (2014a) Teachers’ beliefs towards teaching calculus. In [[ZDM|ZDM, The International Journal on Mathematics Education]], Springer. (2014) 46:647–659. DOI 10.1007/s11858-014-0606-y | [[Andreas Eichler|Eichler, A.]] & Erens, R. (2014a) Teachers’ beliefs towards teaching calculus. In [[ZDM|ZDM, The International Journal on Mathematics Education]], Springer. (2014) 46:647–659. DOI 10.1007/s11858-014-0606-y |