"Riemma" . "Stefano" . "Conceptual framework"@en . . "Sustainability"@en . "Maintenance"@en . "Maintenance performance measurement"@en . "Stefano Riemma" . "Physical Sciences"@en . "Maintenance impacts"@en . "73c662d139ec3121e3c5cc9182fb7619" . "Sustainability indicators"@en . .