Negara, Mochammad Rajasa Mukti, Ita Krissanti, and Gita Widya Pradini. “Analysis of SARS-CoV-2 Nucleocapsid Protein Sequence Variations in ASEAN Countries”. Medical Journal of Indonesia 30, no. 2 (June 18, 2021): 89–95. Accessed September 27, 2021. https://mji.ui.ac.id/journal/index.php/mji/article/view/5304.