Sarin , Atitthan, Kornkaew Thirapongsawat, Jantaras Bunlot, and Thanissara Namboonruang. 2024. “Development of a preliminary risk assessment form for women of reproductive age before pregnancy of Health Region 7”. Journal of Health Promotion and Environmental Health Research Health Promotion Centre 8 Udon Thani 1 (03). Udon Thani,Thailand:177-87. https://he04.tci-thaijo.org/index.php/hpc8Journal/article/view/920.