Ibrahim, A. A., and A. El-Sayed. “OPTIMIZATION of a NEW MEDIUM of WHEY WATER and SWEET POTATO EXTRACT for DIFFERENT LACTOBACILLUS SPECIES by PLACKETT-BURMAN STATISTICAL DESIGN USING MINI –TAB16 SOFTWARE: OPTIMIZATION OF A NEWLY FORMED MEDIUM OF WHEY WATER AND SWEET POTATO EXTRACT FOR DIFFERENT LACTOBACILLUS SPECIES”. Journal of Microbiology, Biotechnology and Food Sciences, vol. 10, no. 6, June 2021, p. e2487, doi:10.15414/jmbfs.2487.