Pecthboot, P., and W. . Hemchayart. “Parent Guidelines for Creating Optimum Relationship With Preschoolers in Haruthai Kindergarten School”. An Online Journal of Education, vol. 16, no. 1, June 2021, p. OJED1601015 (13 pages), https://so01.tci-thaijo.org/index.php/OJED/article/view/247204.