จันทร์ดำ อ., คมสัน ร. and ชิลนาค เ. (2020) “Development of a Long Term Care System for Chronic Disease in the Nahaeo District, Loei Province. Abstract”, Journal of Preventive Medicine Association of Thailand, 9(3), pp. 337–349. available at: https://he01.tci-thaijo.org/index.php/JPMAT/article/view/234792 (accessed: 6 October 2026).