Hartanti, Wuri, and Kautsar Wardhana. “Membangun Literasi Lingkungan Dengan Menerapkan 3R (Reduce, Reuse, Recycle) Di TK Nasional KPS Balikpapan”. BOCAH: Borneo Early Childhood Education and Humanity Journal 2, no. 1 (January 2, 2023): 1-12. Accessed September 20, 2024. https://journal.uinsi.ac.id/index.php/bocah/article/view/5631.