Somboonnadee, Woraluk, Phatcharee Srikuta, and Bhuddhipong Satayavongthip. “The Participatory Development Program to Promote Ergonomic Self-Care Competence for Elderly Rice Farmers”. Ratchaphruek Journal 23, no. 1 (April 24, 2025): 148–164. accessed August 26, 2026. https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/274335.