WEBSITE USABILITY TESTING ON THE INFORMATION AND COORDINATION CENTER OF COVID-19 IN WEST JAVA USING THE SYSTEM USABILITY SCALE. jitk [Internet]. 24 Juni 2020 [dikutip 11 Februari 2026];6(1):1-6. Tersedia pada: https://ejournal.nusamandiri.ac.id/index.php/jitk/article/view/1355