Stavreva Veselinovska, Snezana, Sonja Petrovska, and Despina Sivevska. “Preschool Education As a Foundation for Sustainable Development and Early Environmental Awareness in Children”. World Journal of Environmental Research 15, no. 1 (May 30, 2025): 72–83. Accessed July 28, 2025. https://un-pub.eu/ojs/index.php/wjer/article/view/9730.