Nofriyandi, N., Dedek Andrian, Abdurrahman, Akbar Septiawan, Febri Loska, & Siti Nurhalimah. (2025). Improving Students’ Numeracy Skills Through the Development of Diagnostic and Evaluation Instruments for Numeracy Proficiency. Plusminus: Jurnal Pendidikan Matematika, 5(1), 155–172. https://doi.org/10.31980/plusminus.v5i1.2552