Pineda, J. Gonzalez, and R. Escudero García. “Deinking Paper in a Neutral Medium, through a Treatment With Amino Acids, in Flotation Columns”. Technium: Romanian Journal of Applied Sciences and Technology, vol. 4, no. 3, Apr. 2022, pp. 45-57, doi:10.47577/technium.v4i3.6333.