Amorim, M. E., R. C. Pietropaolo, A. B. Powell, and A. da F. G. Silva. “LAS STUDENT CONCEPTIONS ON JUSTIFICATIONS AND PROOFS IN A MATHEMATICS TEACHING DEGREE PROGRAM”. Práxis Educacional, vol. 16, no. 38, Jan. 2020, pp. 386-01, doi:10.22481/praxisedu.v16i38.6016.