Abiyoso, Lukman, and Yudiyanto Tri Kurniawan. “Frontliner Help Desk Sebagai Inovasi Informasi Bagian LPSE Biro Pengadaan Barang Dan Jasa Provinsi Jawa Timur”. Cakrawala 17, no. 1 (July 29, 2023): 55–62. Accessed May 19, 2026. http://cakrawalajournal.org/index.php/cakrawala/article/view/485.