A non-radial DEA approach to measuring environmental performance. - Peng Zhou 013; Kim Leng Poh; Beng Wah Ang (Eur. J. Oper. Res., 2007)

A survey of data envelopment analysis in energy and environmental studies. - Peng Zhou 013; Beng Wah Ang; Kim Leng Poh (Eur. J. Oper. Res., 2008)