Nawawi, M. I. “HUBUNGAN JENIS KELAMIN DAN GEJALA TERINFEKSI COVID-19”. Healthy Tadulako Journal (Jurnal Kesehatan Tadulako), vol. 7, no. 3, Sept. 2021, pp. 118-27, https://jurnal.fk.untad.ac.id/index.php/htj/article/view/331.