Pincheira N, Alsina Ángel. Assessing knowledge to teach early algebra from the Mathematical Knowledge for Teaching (MKT) perspective: A support tool for primary school teachers. j. math. educ. [Internet]. 2024 Apr. 3 [cited 2024 Nov. 24];15(2):639-60. Available from: http://jme.ejournal.unsri.ac.id/index.php/jme/article/view/573