Thanassoulis E and A Emrouznejad (1996). Warwick Windows DEA, User’s Guide. ISBN: 0 902610 63 5, Warwick University, UK, WBS Print.
Thanassoulis E and A Emrouznejad (1996). Warwick Windows DEA, User’s Guide. ISBN: 0 902610 63 5, Warwick University, UK, WBS Print.