Adamura F, Juniati D, Khabibah S. Profile of Students’ Ability to Solve Group Material Problems Based on APOS Theory Reviewed from Differences in Mathematical Ability. J. Sci. Educ. [Internet]. 2026Jan.3 [cited 2026Jan.9];6(2):1263-75. Available from: https://jse.rezkimedia.org/index.php/jse/article/view/737