Aumpornkiattipol, M., and K. Kheovichai. “Model of Social Partnership of Early Child Development Centers Under the Department of Local Administrative Organization in Thailand”. Suan Dusit Graduate School Academic Journal, vol. 17, no. 3, Oct. 2021, pp. 61-76, https://so19.tci-thaijo.org/index.php/SDUGSAJ/article/view/369.