Wilonotomo, W., Assiroj, P., & Wibowo, A. (2022). 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(2), 21–31. https://doi.org/10.52617/tematics.v4i2.383