Medina Ninacondor, K., J. Aguilar Franco, and J. Villegas Alvarez. “Design of a Proposal for an Industrial Plant for the Use of Solid Residues of the Tanning Process (Professional Paper)”. Nexo Scientific Journal, vol. 32, no. 01, July 2019, pp. 75-87, doi:10.5377/nexo.v32i01.7989.