Wilonotomo, W, P. Assiroj, and A.A Wibowo. “ANALYSIS OF E-CLEARANCE CARE (SIERA) APPLICATION USING THE USABILITY TESTING METHOD AT CLASS I IMMIGRATION OFFICE TPI TANJUNG PERAK: ANALISIS APLIKASI E-CLEARANCE CARE (SIERA) MENGGUNAKAN METODE USABILITY TESTING DI KANTOR IMIGRASI KELAS I TPI TANJUNG PERAK”. TEMATICS: Technology Management and Informatics Research Journals 4, no. 2 (December 12, 2022): 21–31. Accessed May 3, 2026. https://journal.poltekim.ac.id/tematics/article/view/383.