Ummy Calsum, Apriansyah, Pandiati, Z. R. S. and 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), pp. 902 - 915. doi: 10.36378/jtos.v8i2.5078.