%0 Journal Article %A Mona Hosseini-Sarvari %A Esmat Sodagar %T Esterification of free fatty acids (Biodiesel) using nano sulfated-titania as catalyst in solvent-free conditions %J Comptes Rendus. Chimie %D 2013 %P 229-238 %V 16 %N 3 %I Elsevier %R 10.1016/j.crci.2012.10.016 %G en %F CRCHIM_2013__16_3_229_0