Analysis of complementary methodologies for the estimation of school value added (English)
JORS 61, No. 7, 1122-1132 (2010).
1
Efficiency analysis accounting for internal and external non-discretionary factors (English)
Computers & OR 36, No. 5, 1591-1601 (2009).
2
Zero weights and non-zero slacks: different solutions to the same problem. (English)
Ann. Oper. Res. 145, 129-147 (2006).
3