Kautsar IA, Anggoro GD. 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). ijins [Internet]. 2026 Oct. 7 [cited 2026 Oct. 13];25(4):10.21070/ijins.v25i4.2390. Available from: https://ijins.umsida.ac.id/index.php/ijins/article/view/2390