Jamri, K. N. S. F. . “Juridical Review of Regional Regulation Number 50 of 2020 Concerning Health Protocols As a Prevention and Control of Corona Virus Disease 2019 in Indragiri Hilir District”. Annals of the Romanian Society for Cell Biology, vol. 25, no. 6, May 2021, pp. 5506-17, https://www.annalsofrscb.ro/index.php/journal/article/view/6567.