TY - JOUR T1 - New heterogeneous metal-oxides based catalyst for vegetable oil trans-esterification JO - Journal of the Brazilian Chemical Society A1 - Macedo, Caio C. S. A1 - Abreu, Frederique R. A1 - Tavares, André P. A1 - Alves, Melquizedeque B. A1 - Zara, Luiz F. A1 - Rubim, Joel C. A1 - Suarez, Paulo A. Z. SN - 0103-5053 UL - 10.1590/S0103-50532006000700014 VL - 17 Y1 - 2006 PB - Brasil ER -