Andari Astuti, Indrian, Moch Yunus, and Rara Warih Gayatri. “Effect of Patient’s Knowledge and OHI-S on Periodontal Disease Among Age Group 19–64 Years in the Dental Clinic at the Community Health Centre, Bareng, Malang”. KnE Life Sciences 6, no. 2 (March 25, 2021): 115–128. Accessed May 16, 2022. https://knepublishing.com/index.php/KnE-Life/article/view/8873.