Johan Yunus, M. Tauchid Noor, Kridawati Sadhana. Elementary School of Ecosystem-Based : Study on the Implementation of Education Policies in Elementary School of Ecosystem-Based Management State of Indonesia. IJASRE [Internet]. 2021 Apr. 25 [cited 2024 Nov. 23];7(4):60-72. Available from: https://ijasre.net/index.php/ijasre/article/view/1228