Na Sakonnakhon, N. P., O. Kaewkerd, T. Thanyawarathorn, and V. Sehakom. “Factors Affecting Self- adaptation among Early Elderly People, Artsamat Subdistrict Health Promoting Hospital: Mixed Method Approach”. The Bangkok Medical Journal, vol. 21, no. 2, Sept. 2025, p. 97, doi:10.31524/bkkmedj.2025.21.001.