Panpon, P., T. Prayoonwong, R. Kaomongkolgit, P. Samnieng, and T. Pothidee. “Meaning, Value, and Patterns of the Betel Quid Chewing among Elderly in Ban Peng Keling, Mae Chan Subdistrict, Umphang District, Tak Province”. Thai Dental Public Health Journal, vol. 30, Dec. 2025, pp. 105-17, doi:10.14456/thdentphj.2025.7.