Yulianto, A., A. Widodo, dan E. Syaodih. “Disclosure of Sustainability Consciousness in Elementary School Students: Application of Education for Sustainable Development through the Introduction of Green Behavior”. International Conference on Elementary Education, Vol. 4, no. 1, April 2022, hlm. 10-17, https://proceedings2.upi.edu/index.php/icee/article/view/1966.