Effect of Basic Promoters on Porous Supported Alumina Catalysts for Acetins Production oleh Rita de Cássia F. Bezerra, Gabriela Mota, Ruth Maria B. Vidal, Jose Vitor do Carmo, Gilberto D. Saraiva, Adriana Campos, Alcineia C. Oliveira, Rossano Lang, Larissa Otubo, José Jiménez Jiménez, Enrique Rodríguez-Castellón