Saehang, Rachatapattra, Kamolwan Angsrisuraporn, and Panita Chobtamkit. 2026. “Zero Waste for Sustainability in Early Childhood”. Journal of Social Science Kamphaeng Saen 1 (2):272-86. https://so17.tci-thaijo.org/index.php/JSSK/article/view/2038.