Teeravuttanapun Gremm, Nuntaporn. “Factors Influence Consumers behavior in selecting private hospitals in Bangkok”. Academic Journal Phranakhon Rajabhat University 8, no. 1 (July 26, 2017): 34–40. accessed April 27, 2025. https://so01.tci-thaijo.org/index.php/AJPU/article/view/64295.