1.
Sugiarni R, Herman T, Suryadi D, Prabawanto S, Jusniani N. Learning obstacle of proportion learning based on proposional reasoning level: A case study pre-service mathematics teachers. J. Elemen [Internet]. 2025 Feb. 1 [cited 2025 Mar. 5];11(1):87-107. Available from: https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/27418