Utami AN, Nurhasanah F, Triyanto, Dolk M. Constructing slope conceptualizations: Physical, geometrical, and algebraic. j. math. educ. [Internet]. 2024 Dec. 11 [cited 2025 Apr. 2];15(4):1433-52. Available from: http://jme.ejournal.unsri.ac.id/index.php/jme/article/view/695