Tiara, D. R., E. Pratiwi, and A. Rizki Safira. “Knowledge of Early Childhood Education Teachers Regarding Zero Waste-Based Learning in the Coastal Area of Kamal”. Al-Athfal: Jurnal Pendidikan Anak, vol. 9, no. 1, June 2023, pp. 63-70, doi:10.14421/al-athfal.2023.91-06.