Sulfiah SK, Cholily YM, Subaidi A. Professional competency: Pre-service mathematics teachers’ understanding toward probability concept. J.Res.Adv.Math.Educ [Internet]. 2021 Jun. 29 [cited 2025 Nov. 17];6(3):206-20. Available from: https://journals2.ums.ac.id/jramathedu/article/view/9432