Scale directional distance function and its application to the measurement of eco-efficiency in the manufacturing sector. - Noor Asiah Ramli; Susila Munisamy; Behrouz Arabi (Ann. Oper. Res., 2013)

Eco-efficiency measurement and material balance principle: an application in power plants Malmquist Luenberger Index. - Behrouz Arabi; Susila Munisamy; Ali Emrouznejad; Alireza Khoshroo (Ann. Oper. Res., 2017)