List of Articles health system Open Access Article Abstract Page Full-Text 1 - Healthcare expenditure efficiency and its determinants in Iran: a data envelopment analysis and Tobit regression (2000-2019) Fatemeh Yari Lotfali Agheli Hossein Sadeghi 10.30495/ijdea.2023.72415.1192 Open Access Article Abstract Page Full-Text 2 - Evaluation healthcare system in facing COVID-19 with the help of data envelopment analysis Marzieh Moradi Dalini 10.30495/ijdea.2022.66432.1154