Tan, C., S. Teo, M. Kula, N. Halim, H. Rahman, and J. Dhaliwal. “Prevalence of Oral Health Problems and Dental Hygiene Practices in Older Medical Patients in RIPAS Hospital, Brunei”. JOURNAL OF GERONTOLOGY AND GERIATRICS, Vol. 67, no. 2, June 2019, pp. 109-13, https://www.jgerontology-geriatrics.com/article/view/54.