Identifying the maturity level of ERP systems implementation and use in SMEs: a study using grey fixed weight clustering. - Arlem Aparecido Recchia; Jefferson Souza Pinto; Izabela Simon Rampasso; Tiago F. A. C. Sigahi; Milena Pavan Serafim; Gustavo Hermínio Salati Marcondes de Moraes; Rosley Anholon (Grey Syst. Theory Appl., 2025)