Hartanti, W., and K. Wardhana. “Membangun Literasi Lingkungan Dengan Menerapkan 3R (Reduce, Reuse, Recycle) Di TK Nasional KPS Balikpapan”. BOCAH: Borneo Early Childhood Education and Humanity Journal, Vol. 2, no. 1, Jan. 2023, pp. 1-12, doi:10.21093/bocah.v2i1.5631.