WILONOTOMO, W.; ASSIROJ, P.; WIBOWO, A. 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, [S. l.], v. 4, n. 2, p. 21–31, 2022. DOI: 10.52617/tematics.v4i2.383. Disponível em: https://journal.poltekim.ac.id/tematics/article/view/383. Acesso em: 3 may. 2026.