T. Mudchiew, N.- inee Deramae, A. Hayijehlaeh, T. Sunthonnon, and J. Kalnaowakul, “Ecological Model Factors and Retention of at Least 20 Functional Permanent Teeth among Older Adults in Bangrak Subdistrict, Mueang District, Trang Province”, J Chulabhorn Royal Acad, vol. 7, no. 2, pp. 198–212, Jun. 2025.