Zhong, Juan, Xiaoyong Zhang, Yanli Ren, Jie Yang, Hong Tan, and Jinyan Zhou. 2014. “Optimization of Bacillus Subtilis Cell Growth Effecting Jiean–peptide Production in Fed Batch Fermentation Using Central Composite Design”. Electronic Journal of Biotechnology 17 (3). Valparaíso, Chile. https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/2014.04.010.