Chanchanakit, Chitra. “ELDERLY CARE SERVICE MANAGEMENT IN THE CONTEXT OF SOCIAL ENTERPRISE”. Phranakhon Rajabhat Research Journal : Humanities and Social Sciences 15, no. 2 (August 7, 2020): 73–92. accessed August 28, 2026. https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/244228.