Wisuwat Chujan. (2020) Impacts of Early Childhood Investment on Child Development : An Evidence from Rural Thailand. University of the Thai Chamber of Commerce:ม.ป.ท.Wisuwat Chujan. 2020. Impacts of Early Childhood Investment on Child Development : An Evidence from Rural Thailand. ม.ป.ท.:University of the Thai Chamber of Commerce;Wisuwat Chujan. Impacts of Early Childhood Investment on Child Development : An Evidence from Rural Thailand. ม.ป.ท.:University of the Thai Chamber of Commerce, 2020. Print.