Pandee, Malinee, Phechnoy Singchungchai, and Patcharaporn Aree. 2020. “Factors Influencing Loyalty of Patients from Nursing Care in Inpatients in Private Hospitals in the Central Region”. Thai Journal of Cardio-Thoracic Nursing 31 (1). Bangkok, Thailand:124-41. https://he02.tci-thaijo.org/index.php/journalthaicvtnurse/article/view/243985.