Publication and Indexing: Accepted full papers of SPRA2023 will be published in the conference proceedings, which will be indexed by Scopus, Ei Compendex, etc. General Chairs : Giuliani Donatella, University of Bologna, Italy Vassilis C. Gerogiannis, University of Thessaly, Greece Program Chairs : Johan Debayle, MINES Saint-Etienne, France César Collazos, University of Cauca, Colombia Ke-Lin Du, Concordia University, Canada Contact:Conference Secretary: Ms. Sara ClarkEmail: This email address is being protected from spambots. You need JavaScript enabled to view it.