VAISHNAVI, P; SHERENE, J R T; BASKAR, M; VANNIARAJAN, C; RAMJANI, S A; SENTHIL, K; SELVAMURUGAN, M. Characterization of biochar produced from paperboard sludge: A sustainable approach for waste management and resource recovery. Plant Science Today, [S. l.], v. 11, n. sp4, 2024. DOI: 10.14719/pst.5810. Disponível em: https://horizonepublishing.com/index.php/PST/article/view/5810. Acesso em: 5 dec. 2025.