A. Eusawat, W. Ruankham, R. pullap, P. tamesak, and N. Somkamlang, “Effectiveness of a hybrid practice-based training program for community-based elderly caregivers in Chiang Rai during the COVID-19 pandemic: 10.55131/jphd/2026/240320”, J Public Hlth Dev, vol. 24, no. 3, pp. 287–298, Aug. 2026.