Oktaviyanthi, Rina, and Selvi Kadun. 2025. “Community Service Program Supporting SDG 4: Strengthening Competencies of Prospective Mathematics Teachers through Digital Worksheet Development Training”. Transformasi: Jurnal Pengabdian Masyarakat 21 (2):273-88. https://doi.org/10.20414/transformasi.v21i2.12842.