1.
Muhammad Ghudafa Taufik Akbar, Srisulistiowati DB. Analisa Sentimen Efektifitas Vaksin terhadap Varian COVID 19 Omicron Berbasis Leksikon. Journal of Informatic and Information Security [Internet]. 24 Desember 2021 [dikutip 27 Mei 2022];2(2). Tersedia pada: http://ejurnal.ubharajaya.ac.id/index.php/jiforty/article/view/898