Sampaio, MariaGomes, Helder2010-02-082010-02-082008Sampaio, Maria; Gomes, Helder (2008). Production of biodiesel using heterogeneous acid catalysts. In XXI Encontro Nacional da Sociedade Portuguesa de QuĂ­mica. Porto.http://hdl.handle.net/10198/1756engProduction of biodiesel using heterogeneous acid catalystsconference object