Mahendra, D.A. and Supriyadinata Gorda, A.E. 2026. Implementation of the E-Letter Application in Inter-Agency Coordination within the Regional Secretariat of Buleleng Regency. International Journal of Management Science and Information Technology. 6, 1 (Jun. 2026), 798–807. DOI:https://doi.org/10.35870/ijmsit.v6i1.7055.