Bravo Rodríguez, V., E. Jurado Alameda, J. F. Martínez Gallegos, A. Reyes Requena, A. I. García López, J. M. Sampaio Cabral, P. Fernandes, and L. J. Pina da Fonseca. “Modification of the Activity of an α-Amylase from Bacillus Licheniformis by Several Surfactants”. Electronic Journal of Biotechnology, vol. 9, no. 5, Oct. 2006, pp. 0-0, https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v9n5-16.