วรศรีหิรัญ ณ., คำสอน ส., & จริยา ว. (2022). Effect of Motivation and Social Support Program for Periodontal Disease Preventive Behaviors among Diabetic Patients in Wang-thong District, Phitsanulok Province, Thailand. Journal of Health Science of Thailand, 31(5), 883–895. Retrieved from https://thaidj.org/index.php/JHS/article/view/12790