"Economic Growth And Carbon Dioxide Emissions: The Environmental Kuznets Curve Hypothesis In Yemen". المجلة العراقية للعلوم الاقتصادية, م 19, عدد 68, مارس، 2022, ص 42-58, https://ecournal.uomustansiriyah.edu.iq/index.php/ecournal/article/view/640.