Fouladgar, M. M., Yazdani-Chamzini, A., Lashgari, A., Zavadskas, E. K. and Turskis, Z. (2012) “Maintenance strategy selection using AHP and COPRAS under fuzzy environment”, International Journal of Strategic Property Management, 16(1), pp. 85-104. doi: 10.3846/1648715X.2012.666657.