ตันติชัยวนิช ชุติไกร. “HAPPINESS AT WORK OF THE VILLAGE HEALTH VOLUNTEERS IN PLUAKDAENG DISTRICT, RAYONG PROVINCE”. Primary Health Care Journal (Central Edition) 38, no. 1 (September 27, 2024): 34–44. Accessed December 4, 2024. https://thaidj.org/index.php/CRPHC/article/view/15811.