Astuti Y, Gusti A, Ramadhani M. Evaluation of Covid-19 Surveillance in Solok Selatan District in 2021. JKMA [Internet]. 2022 Oct. 13 [cited 2024 Apr. 26];16(2):3-13. Available from: http://jurnal.fkm.unand.ac.id/index.php/jkma/article/view/906