Sugiarni R, Herman T, Suryadi D, Prabawanto S. How do pre-service mathematics teachers resolve proportion tasks? Focus on the problem-solving strategy. BetaJTM [Internet]. 2024 May 30 [cited 2026 Apr. 17];17(1):19-43. Available from: http://jurnalbeta.ac.id/index.php/betaJTM/article/view/619