List of Articles صنایع بالادستی Open Access Article Abstract Page Full-Text 1 - A Model for Financial Resources Allocation Pattern Using Portfolio Concept (A case study of NIOC) Mohammadreza Moghaddam Albert Boghosian Open Access Article Abstract Page Full-Text 2 - Risks Identification & Analysis in Enterprise Resource Planning (ERP) systems in upstream steel industries Fatemeh Abbasi Jalal haghighat Monfared Jamshid Edalatian Shahriary Open Access Article Abstract Page Full-Text 3 - Risk Assessment in Enterprise Resource Planning (ERP) systems implementation in upstream steel industries Fatemeh Abbasi Jalal Haghighat Monfared Jamshid Edalatian Shahryari