Sumonnok, Suchitra, Chatchada Prachuttake, Aunchalee Phumjuntuk, Pradub Srimuenwai, Nittiya Duangjai, Duangjai Thaipratum, and Duangporn worasan. 2024. “The Efficacy of Utilizing the First 1000 Days of Life Manual for Implementing the Miracle First 1000 Days of Life Project in Health Region 9”. Journal of Health Promotion and Environmental Health Research Health Promotion Centre 8 Udon Thani 1 (4). Udon Thani,Thailand:57-72. https://he04.tci-thaijo.org/index.php/hpc8Journal/article/view/1360.