List of Articles Relative Efficiency Open Access Article Abstract Page Full-Text 1 - Developing two 4-parameter and 5-parameter exponential smoothing methods with multiplicative trend for demand forecasting Sobhan Davarpanah Reza Yousefi Zenouz Amir-Reza Abtahi 10.30495/jiei.2021.1922678.1096 Open Access Article Abstract Page Full-Text 2 - Combining data envelopment analysis and multi-objective model for the efficient facility location–allocation decision Jae-Dong Hong Ki‑Young Jeong Open Access Article Abstract Page Full-Text 3 - Continuous Performance Assessment using Data Envelopment Analysis Models: An Approach to Industrial Sustainability Measurement Mohammadreza Shahriari