List of Articles Open Access Article Abstract Page Full-Text 1 - The relationship between tourism and foreign direct investment in developing countries (approach causality panel data) داوود Behbod فرانک Bastan 20.1001.1.25383833.1389.4.11.1.9 Open Access Article Abstract Page Full-Text 2 - Relationship between air pollution and economic growth of the province's environmental Kuznets curve application رضا Moghadasi رضا Rahimi 20.1001.1.25383833.1389.4.11.2.0 Open Access Article Abstract Page Full-Text 3 - Iran gas price shadow price approach based on linear programming A.A Esmaili 20.1001.1.25383833.1389.4.11.3.1