List of Articles Sahel Open Access Article Abstract Page Full-Text 1 - Discourse Analysis of Abul Ala Al-Ma'arri in "Risalat Al-sahel and Al-shahej" Hooman Nazemian Open Access Article Abstract Page Full-Text 2 - The influence and role of medicine of non-Islamic civilizations on the medicine of Islamic civilization mohammad ali shah heydari ghafar porbakhtiar Abdolaziz Movahed Open Access Article Abstract Page Full-Text 3 - Ecological Drivers of Ecosystem Diversity in Sahelian Rangeland of Niger SOUMANA Idrissa Boubacar M. Moussa Youssoufa Issiaka Ali Mahamane Ambouta J.M. Karimou Mahamane Saadou Open Access Article Abstract Page Full-Text 4 - Estimation and mapping of the global component of solar radiation and wind power density over Chad Marcel Hamda Soulouknga Iman Pishkar Dieudonné Kaoga Kidmo Mehdi Jahangiri Open Access Article Abstract Page Full-Text 5 - The effect of mycorrhizal fungi, water stress and year on flower yield and some characteristics of medicinal plant of Borage (Borago officinalis L.) in Yasouj region Ali Rahimi