List of Articles ورودی محور Open Access Article Abstract Page Full-Text 1 - Randomized crossover efficiency in evaluating decision units with unfavorable factors mehdi khodadadipour sayyed mohammadreza davoodi Open Access Article Abstract Page Full-Text 2 - Evaluating the Performance of the Sales Force on KPI with the Data Envelopment Analysis (DEA) Esmaeel Malekakhlagh Arman Poureisa Sayyed Ali Nabizadeh Open Access Article Abstract Page Full-Text 3 - Application of Data Envelopment Analysis in Measuring the Relative Efficiency of Local Telephone Exchanges:A Case Study of Telecommunication Region of East Azerbaijan Ebrahim Keivan Soleyman Iranzadeh 10.30495/qjopm.2022.1901847.2879