Lusi Andalusia, Nira Regina, Julmadi, Deri Alfuaddi, Urwatil Wustqa, and Maifit Hendriani, “A Comparative Analysis of Primary Mathematics Curricula in Indonesia and Singapore: Framework, Content Progression, and Pedagogical Approach”, IJSOC, vol. 8, no. 4, pp. 97-106, Oct. 2026.