Kautsar, Irwan Alnarus, and Gilang Dwi Anggoro. “Optimization Of The Process Of Inputting Official Travel Orders (Sppd) Through An Application With A User Friendly Interface In Bpvp Sidoarjo (Case Study : Front-End Design): Optimalisasi Proses Penginputan Surat Perintah Perjalanan Dinas (Sppd) Melalui Aplikasi Dengan Antarmuka Ramah Pengguna Di Bpvp Sidoarjo (Studi Kasus : Perancangan Front-End)”. Indonesian Journal of Innovation Studies 25, no. 4 (October 7, 2026): 10.21070/ijins.v25i4.2390. Accessed October 13, 2026. https://ijins.umsida.ac.id/index.php/ijins/article/view/2390.