“Sidoarjo Education Office Event Procurement Information System Based on Website: Sistem Informasi Pengadaan Acara Dinas Pendidikan Sidoarjo Berbasis Website”. Procedia of Engineering and Life Science 10, no. 1 (October 30, 2026): 1060–1073. Accessed October 31, 2026. https://pels.umsida.ac.id/index.php/PELS/article/view/2028.