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List of Articles Javad Gerami Open Access Article Abstract Page Full-Text 1 - Estimation of inputs and outputs in the general production possibility set with negative data based on the inverse DEA Javad Gerami Open Access Article Abstract Page Full-Text 2 - Ranking extreme and non-extreme efficient DMUs on the basis of MPSS in DEA Javad Gerami Javad Vakili Open Access Article Abstract Page Full-Text 3 - An inverse DEA approach in the presence of undesirable outputs based on the directional distance function Javad Gerami