Muhibban M, Isnawan MG, Aziz A. Android-based Didactical Design for Learning Lines and Angles: An Interpretive Didactical Design Research. Polyhedron Int. J. Math. Educ. [Internet]. 2023 Nov. 20 [cited 2026 Feb. 2];1(2):106-18. Available from: https://nakiscience.com/index.php/pijme/article/view/54