Mujahidin AI. Measuring User Satisfaction on the PosAja Application at PT Pos Indonesia, Sidoarjo Branch Office: Mengukur Tingkat Kepuasan Pengguna Aplikasi PosAja di PT Pos Indonesia, Kantor Cabang Sidoarjo. ijins [Internet]. 2026 Oct. 8 [cited 2026 Oct. 14];26(1):10.21070/ijins.v26i1.2402. Available from: https://ijins.umsida.ac.id/index.php/ijins/article/view/2402