Ummy Calsum, Apriansyah, Pandiati, Z. R. S., & Karnadi. (2025). Designing a Village Letter Filing System as an Effort to Improve Administrative Efficiency in Suka Muda Village (Case Study in Suka Muda Village). JURNAL TEKNOLOGI DAN OPEN SOURCE, 8(2), 902 - 915. https://doi.org/10.36378/jtos.v8i2.5078