Suharni, S., Wahyuni, S. and Astri, Y. (2021) “Improving Environmental Care Attitudes of Early Childhood By Utilizing Recycled Materials”, Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, 5(2), pp. 2017–2024. doi: 10.31004/obsesi.v5i2.783.