List of Articles seyyd kazem yekani Article 1 - Experimental Study and Comparison of a Few Lean (gasoline-natural gas) Dual Fuels Based on Safe Optimum Spark Advance 10.30495/ijim.2022.19651 سیدکاظم یکانی ابراهیم عبدی اقدم مهرداد سرابی International Journal of Industrial Mathematics , Issue 4 , Year , Summer 2022