List of Articles Cardinal and ordinal data Open Access Article Abstract Page Full-Text 1 - Decision models for evaluation and selection of suppliers in the presence of cardinal and ordinal data, weight restrictions, and non-discretionary factors: An approach based on DEA with double frontiers Hossein Azizi Rasul Jahed Open Access Article Abstract Page Full-Text 2 - Technology Selection in The Presence of Both Cardinal and Ordinal Data Hoosen Azizi Reza Farzipoor Saen