Padonprai, Nawapron. “Heath Literacy of Development Promotion and Nutritional in Children aged 0-5 years of Parents of Early Childhood at Sapphaya District, Chainat Province”. Journal of Health Promotion and Environmental Health Research Health Promotion Centre 8 Udon Thani 1, no. 4 (June 24, 2024): 41–56. accessed April 7, 2025. https://he04.tci-thaijo.org/index.php/hpc8Journal/article/view/1359.