Guy M., Mathieu M., Anastopoulos I. P., Martínez M. G., Rousseau F., Dotto G. L., de Oliveira H. P., Lima E. C., Thyrel M., Larsson S. H., Dos Reis G. S. Process Parameters Optimization, Characterization, and Application of KOH-Activated Norway Spruce Bark Graphitic Biochars for Efficient Azo Dye Adsorption. 2022. Molecules. 27. 2. 456. 10.3390/molecules27020456