List of Articles Open Access Article Abstract Page Full-Text 1 - Efficiency Analysis Based on Separating Hyperplanes for Improving Discrimination among DMUs M. Mohammadpour Open Access Article Abstract Page Full-Text 2 - Efficiency of DMUs in Presence of New Inputs and Outputs in DEA E. Noroozi E. Sarfi F. hosseinzadeh Lotfi Open Access Article Abstract Page Full-Text 3 - Evaluation of Unit's Performance in Presence of Subunits by Using GDEA A. Ghasemikia Z. Iravani Open Access Article Abstract Page Full-Text 4 - Efficiency Evaluation of Wood Supplying Plans SH. Pourmousa Open Access Article Abstract Page Full-Text 5 - Finding Target by Using Value Efficiency (A Case Study of Human Resources Division in Parsian Gas Refinery Company) M. Hemmat M.R. Mozaffary