Ika Dewi, Riyawati, Ahman Sya, and Diana Vivanti. “Multifunction Green Open Space for Environmental Education”. KnE Social Sciences 4, no. 14 (November 11, 2020): 10–20. Accessed June 14, 2021. https://knepublishing.com/index.php/KnE-Social/article/view/7854.