Andari Astuti, I. ., Yunus, M. ., & Warih Gayatri, . R. . (2021). 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(2), 115–128. https://doi.org/10.18502/kls.v0i0.8873