Bagherpoor, H. , , Ghobadian, B. , , Tavakoli hashjin, T. , , Mohammadi, A. , , Feizolanejad, M. , and Zenoozi, A. . "Optimizing Effective Parameters in Biodiesel Fuel Production Using Trans-estrification Method", Iranian Journal of Biosystems Engineering, 41, 1, 2010, -.