Gregorius Lasah Higang 2024. Urgency of Policy Changes in Domestic Official Travel Costs in Order to Improve the Quality of Public Services in Mahakam Ulu Regency. Journal of Law, Politic and Humanities. 4, 5 (Jul. 2024), 1340–1347. DOI:https://doi.org/10.38035/jlph.v4i5.455.