Sidoarjo Education Office Event Procurement Information System Based on Website: Sistem Informasi Pengadaan Acara Dinas Pendidikan Sidoarjo Berbasis Website. PELS [Internet]. 2026 Oct. 30 [cited 2026 Oct. 31];10(1):1060-73. Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/2028