Mohd Ritzuan Abdul Multalib, and Rathmawati Ahmad. “Perception of Periodontal Health Among Patients With BPE Score 4 in Tawau, Sabah, and the Associated Factors: A Cross-Sectional Study”. Borneo Journal of Medical Sciences (BJMS), vol. 17, Mar. 2023, pp. 4-5, doi:10.51200/bjms.v17i.4292.