Matos, Madyu, Aymara Valdivia, Zoraya Rodríguez, R. Bocourt, María A. Brizuela, Yadileiny Portilla, Yasmary Rubio, and H. L. Ramírez. 2018. “Production of Xylanases by Bacillus Subtilis E44 under Submerged Fermentation Conditions”. Cuban Journal of Agricultural Science 52 (3). https://cjascience.com/index.php/CJAS/article/view/824.