Palayukan, Hersiyati, Evy Lalan Langi’, and Inelsi Palengka. “Analysis of Students’ Difficulties in Solving Story Problems for Whole Number Subtraction”. Journal of the Indonesian Mathematics Education Society 3, no. 1 (June 3, 2025): 12–18. Accessed June 9, 2025. https://journal.unesa.ac.id/index.php/jimes/article/view/40276.