List of Articles ابن خلدون Open Access Article Abstract Page Full-Text 1 - An introduction to Ibn Khaldūn’s Viewpoints on the Islamic Civilization Decline یوسف جعفرزاده Open Access Article Abstract Page Full-Text 2 - philosophical- theological transitions in Hafsi period M.R Pak Open Access Article Abstract Page Full-Text 3 - Beauty and eloquence in Ibn Khaldun and Ibn al-Khatib's Books Fatemeh Alinezhad Chamazcoti Saeedeh Mirhaqjoo langaroodi Open Access Article Abstract Page Full-Text 4 - The Role of luxury in the Decline of Civilizations and Political Systems based on the Theories of Imam Rouhollah Mousavi Khomeini, Ibn Khaldoun, Abu Nasr Farabi and Khajeh Nasir al-Din Toosi. behrouz rashidi Open Access Article Abstract Page Full-Text 5 - دخالت دولت در اقتصاد از منظر اندیشمندان مسلمان دکتر مهدی خداپرست مشهدی روح اله نظری بهرام فتحی Open Access Article Abstract Page Full-Text 6 - The effect of reducing corporate tax rates on corporate tax revenue based on Ibn Khaldun's tax theory Khadijeh Khodabakhshi Parijan reza koohi Open Access Article Abstract Page Full-Text 7 - . حسن مرداسی نی سیاهی ناصر جدیدی فیض اله بوشاسب Open Access Article Abstract Page Full-Text 8 - بررسی ماهیت و فراز و فرود دولت در اندیشه ابن خلدون حسین رفیع مجید عباسزاده مرزبالی Open Access Article Abstract Page Full-Text 9 - The study of sociological causes leading to the downfall of Jamshid’s empire in the light of Ibn Khaldun’s theory Parnush Pajouhesh