Fadilah, Y., M. Riban Satia and Irwani (2026) “OFFICIAL TRAVEL MANAGEMENT OF EMPLOYEES OF THE REGIONAL SECRETARIAT OFFICE (SETDA) OF SERUYAN REGENCY, CENTRAL KALIMANTAN PROVINCE”, Sociopolis, 2(1), pp. 29–38. doi: 10.70074/sociopolis.v2i1.79.