Utami NS, Prabawanto S, Priatna N. A didactical design for introducing the concepts in algebraic forms using the theory of praxeology. BetaJTM [Internet]. 2022 Jun. 28 [cited 2026 Apr. 18];15(1):53-71. Available from: https://jurnalbeta.ac.id/index.php/betaJTM/article/view/508