Ivar Isma Gymnastiar, Siti Ning Farida. Tata Cara Pengendalian Pada Unit Pengadaan Barang Dan Jasa Di PT. Kereta Api Indonesia DAOP VIII Surabaya. Jarvic [Internet]. 2024 Jan. 15 [cited 2026 Feb. 1];3(1):01-7. Available from: https://journal.lppspsemarang.org/index.php/Jarvic/article/view/116