Moolasarn, Boonchauy. 2019. “The Model of Health Behavior Promoting Among Primary Hypertension Patients Without Causes in Nong Khai Province”. Journal of Research and Development Institute Rajabhat Maha Sarakham University 6 (1):11-22. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211353.