Prihandika A, Perbowo KS. The review of concept image and concept definition: A hermeneutic phenomenological study on the derivative concepts. Int. J. Didact.Math Distance Educ. [Internet]. 2024 Apr. 24 [cited 2024 Nov. 21];1(1):13-2. Available from: https://jurnal.ut.ac.id/index.php/ijdmde/article/view/7610