PUTRANTO, Panji. Prinsip 3R: Solusi Efektif untuk Mengelola Sampah Rumah Tangga. Innovative: Journal Of Social Science Research, [S. l.], v. 3, n. 5, p. 8591–8605, 2023. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/5882. Acesso em: 9 sep. 2026.